The net force needed to cause this acceleration on the student is 80 N.
What is the net force acting on the body to cause the students to accelerate at 2.m/s²?Force is a defined as any push or pull agent that cause a change in the state of rest or motion of a body.
This force that brings about these changes is known as a net force since they are unbalanced by an equal oppositely directed reaction force.
Net forces cause a body at rest to move or a moving body to stop or change direction.
The formula to calculate net force is given below:
Force = mass * accelerationFrom the data provided:
mass of the boy = 4 kg
acceleration on the boy = 2 m/s²
Net force on the boy = 40 kg * 2 m/s²
Net force on the boy = 80 N
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A student preparing for a hike wants to pack a snack that has biomolecules that provide quickly available energy but few excess calories. The student claims that snack #4 would be best choice. Which reasoning statement supports this claim?
1
2
3
4
Answer
A
Snack # 4 has less carbohydrates than snack # 1 and fewer calories than #3 so snack #4 is the best choice.
B
Snack #4 has more carbohydrates than snacks #1 & 3 and fewer calories than snack #2, so snack #4 is the best choice.
C
Snack #1 does not have any carbohydrates and very few calories, so snack #4 is the best choice.
D
Snack #3 has more calories and carbohydrates than # 4, so #4 is the best choice.
Answer: B
i think that's correct bc u want carbs
which statement best describes a direct role of atp in a paramecium?
The statement that best describes a direct role of ATP in a paramecium is
The power to move cilia is provided by ATP
What is paramecium?
A single-celled microscopic organism is called Paramecium.
Characteristics Of Paramecium:-
Habitat: It can be found in stagnant or slow-moving fresh water that contains decomposing organic waste, such as muddy ponds.Locomotion: The cilia that are found on the body's surface are used by paramecium to move. The organism travels forward while rotating on its axis, with the blunt end leading, as a result of the cilia beating obliquely rearward.Feeding: It consumes tiny creatures like bacteria, protozoa, and algae. Food fragments are moved in the direction of the gullet as the cilia in the oral groove beat.The food particles are transported to the bottom of the gullet by the movement of cilia in the gullet. Food particles occasionally enter the endoplasm there at the mouth pore to create food vacuoles. The endoplasm secretes digesting enzymes into the moving food vacuoles. The meal is absorbed and digested.
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The energy derived from_____
is used to produce ATP
Answer:
the breakdown of foodHope this helpsace that workGood luck ✅Answer:
Glucose.
Explanation:
Hope this helps!
. What are some ways to reduce emissions? Are they
affective? 2. What are some ways you can help to reduce climate change? Which ones do you think are more affective?
Which ones do you already do? Are there other ways you can help reduce climate change?
Answer:
Explanation:
1) Greenhouse gas emissions can be reduced by making power on-site with renewables and other climate-friendly energy resources. Examples include rooftop solar panels, solar water heating, small-scale wind generation, fuel cells powered by natural gas or renewable hydrogen, and geothermal energy.
2) For example, improvements to energy efficiency and vehicle fuel economy, increases in wind and solar power, biofuels from organic waste, setting a price on carbon, and protecting forests are all potent ways to reduce the amount of carbon dioxide and other gases trapping heat on the planet.
3) Other ways to reduce climate change:
Much of our electricity and heat are powered by coal, oil and gas. Use less energy by lowering your heating and cooling, switching to LED light bulbs and energy-efficient electric appliances, washing your laundry with cold water, or hanging things to dry instead of using a dryer. Improving your home’s energy efficiency, through better insulation for instance, or replacing your oil or gas furnace with an electric heat pump can reduce your carbon footprint by up to 900 kilograms of CO2e per year.
When you throw food away, you're also wasting the resources and energy that were used to grow, produce, package, and transport it. And when food rots in a landfill, it produces methane, a powerful greenhouse gas.
Electronics, clothes, and other items we buy cause carbon emissions at each point in production, from the extraction of raw materials to manufacturing and transporting goods to market. To protect our climate, buy fewer things, shop second-hand, repair what you can, and recycle. Every kilogram of textiles produced generates about 17 kilograms of CO2e. Buying fewer new clothes – and other consumer goods – can reduce your carbon footprint and also cut down on waste.
Which stations are Prokaryotic?
Answer:
Which systems are prokaryotic?
Prokaryotes are a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and archaea.
Explanation:
A cell has few proteins in it; the fluid it is in has a high density of proteins. What is
necessary for the cell to move proteins outside of itself?
passive transport
active transport
diffusion
osmosis
Answer:
c
Explanation:
Which of the following is NOT a type of sexual
harassment?
1 verbal
2 cyber
3 bullying
4 physical
Answer:
cyber i think
Explanation:
Among the options, cyber is not a type of sexual harassment. Thus, the correct option for this question is B.
What is Sexual harassment?Sexual harassment may be defined as a type of behavior that significantly involves unwelcome or disgraces to the opposite gender in the workplace either through word or actions. It is a type of unlawful action that interferes with the emotions of an individual.
Sexual harassment may be accomplished in numerous ways such as verbal, bullying, physical, etc. But cyber is something that is typically related to the attributes of the culture of computers and information technology. It is something that deals with the internet, community, and technology which steal personal information. It involves the utilization of explicit or implicit sexual overtones.
Therefore, among the options, cyber is not a type of sexual harassment. Thus, the correct option for this question is B.
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Which of the following questions do you think can be answered scientifically?
1. Does watching television before the age of one contribute to the development of autism in children?
2. Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?
3. Does global warming cause an increase in frequency and intensity of forest fires?
4. Do cactus spines reduce herbivory?
5. Should human embryonic stem cells be used to treat Parkinson’s disease?
The question that can be answered scientifically are as follows:
Do cactus spines reduce herbivory?Does global warming cause an increase in frequency and intensity of forest fires?Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?What is scientific method?The scientific method is a method of discovering knowledge about the natural world based in making falsifiable predictions (hypotheses), testing them empirically, and developing theories that match known data from repeatable physical experimentation.
The scientific method uses series of procedures to answer scientific questions or solve scientific problems.
Any question that does not conform to the use of scientific method is not considered scientific and hence, cannot be tested via experimentation.
Therefore, question that can be answered scientifically are as follows:
Do cactus spines reduce herbivory?Does global warming cause an increase in frequency and intensity of forest fires?Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?Learn more about scientific method at:
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1 Answer:
HACCP is a program designed to create awareness of potential points
of contamination in a food-processing facility.
a. true
b. false
2 Answer:
A bacteriostatic agent uses static electricity to remove bacteria
from a surface.
a. true
b. false
3 Answer:
The three major sources of contamination in a food processing plant
are people, processing equipment, and the plant environment.
a. true
b. false
4 Answer:
Water hardness is a measure of the presence of substances in water
that form insoluble precipitates with soap.
a. true
b. false
5 Answer:
The floor of a food processing facility should have an unfinished
concrete surface for easy cleaning.
a. true
b. false
6 Answer:
A _____ hazard is generally a microbe such as a bacterium, virus,
or parasite.
a. biological c. deleterious
b. physical d. chemical
7 Answer:
In a food processing plant, _____ are probably the biggest source
of contamination.
a. employees' hands
b. food preparation surfaces
c. tools and equipment used to handle food
d. employees' feet and shoes
8 Answer:
Procedures developed over time to ensure the production of safe and
wholesome food and to provide a safe working environment are called
_____ practices.
a. sanitization c. good manufacturing
b. post-production d. facility management
9 Answer:
A food-preparation surface that will not rust or deteriorate as a
result of continuous applications of water is said to be _____ resistant.
a. aquatically c. continually
b. corrosion d. sanitizer
10 Answer:
The maintenance of overall cleanliness and hygiene in the food
processing environment is known as food _____.
a. safety c. galvanizing
b. sanitation d. HACCP
Answer:
oh my goodness oh my dam oh my goodness we goin ham
Explanation:
Amylase, albumin, hemoglobin, keratin, and collagen are all
O carbohydrates
Onucleic acids
Oproteins
Olipids
Amylase, albumin, hemoglobin, keratin, and collagen are all option(c) i.e, proteins.
An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds. All living things contain proteins, which are the building blocks of numerous vital biological substances like enzymes, hormones, and antibodies.
The three basic classes of proteins—globular, fibrous, and membrane—that correspond to typical tertiary structures can be arbitrarily grouped into three groups. Plant-based foods (fruits, vegetables, grains, nuts, and seeds) frequently lack one or more essential amino acids, but animal-based foods (meat, chicken, fish, eggs, and dairy products) are frequently good sources of complete protein.
The body uses protein for a variety of purposes. It promotes metabolic reactions, supports tissue growth and repair, and synchronizes biological processes. Proteins give your body a structural foundation while also ensuring optimal pH and fluid balance.
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Compare scientific theories and scientific laws by writing each characteristic in the chart
below in the correct location on the Venn diagram.
Answer:
Law:
- based on empirical evidence
- describes a pattern in nature
- ex natural selection
- rarely changes
Theory:
-explanation of many related
-gravitational attraction
middle: - changes w new observations
-
Explanation:
What is the purpose of meiosis? Why must PMAT happen twice?
Meiosis may be a process used to create gametes, or sperm and eggs, which contain half the genetic material of the parent cells. This decrease in chromosome number is important because meiosis produces cells that will develop into gametes; otherwise, the union of two gametes during fertilization would end in children with double the typical number of chromosomes.
A single cell splits twice to create four daughter cells during meiosis. The genetic content in these daughter cells, also referred to as sex cells, is strictly half that of typical gametes. Meiosis leads to a haploid cell with half as many chromosomes, necessitating two divisions. In sexually reproducing organisms, meiosis may be a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm).
Body (or somatic) cells in humans are diploid, meaning they need two sets of chromosomes (one from each parent). They create gametes in humans, whereas they produce plant spores in plants. Meiosis may be a process that produces more sex cells, such the sperm and egg cells seen within the human body. Meiosis occurs within the testes and ovaries of males and females, respectively, within the primordial germ cells.
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A science teacher gives a student four beakers, each with a different liquid inside. The table shows the volume and mass of each liquid. When the student mixes all four liquids into one beaker, each liquid separates into a different layer. Which of the following lists the layers of the liquids in the beaker from the top to the bottom?
The list of the layers of the liquids in the beaker from the top to the bottom will be C. vegetable oil, water, dish soap, corn syrup
How to illustrate the information?According to Archimedes' principle, a body submerged in a fluid experiences an upward force proportional to the weight of the fluid that has been displaced. One of the prerequisites for equilibrium is this. The Archimedes' principle separates insoluble substances when they are combined.
The relationship between a body's mass and volume, or its density, is given by the formula m = PV.
When one liquid's density is lower than another's, the thrust outweighs the weight and the liquid with the lower density floats. If one liquid's density is higher than another's, the object's weight will be larger than the thrust for which it sinks. As we can see, the relationship between the densities creates a method for determining what kind of liquid floats.
Therefore, the list of the layers of the liquids in the beaker from the top to the bottom will be vegetable oil, water, dish soap, corn syrup.
In conclusion, based on the information, the correct option is C.
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A science teacher gives a student four beakers, each with a different liquid inside. The table shows the volume and mass of each liquid. When the student mixes all four liquids into one beaker, each liquid separates into a different layer. Which of the following lists the layers of the liquids in the beaker from the top to the bottom?
corn syrup, dish soap, water, vegetable oil
O corn syrup, water, dish soap, vegetable oil
O vegetable oil, water, dish soap, corn syrup
O vegetable oil, dish soap, water, corn syrup
So if only 10% of the energy eaten by a consumer passes on to the next level, then what would be the energy left for a secondary consumer if the energy at the primary consumer was 1000 kg?
The rest is lost largely through metabolic processes such as heat.
Only ten percent of energy is available for the next level. For example, plants use ninety percent of the energy they receive from the sun for their own growth and reproduction. When a consumer eats, only ten percent of that energy goes to the animal that ate it.
The consumer receives energy from the producer, but only 10% of the energy used by the producer is stored as energy in the body of the animal that eats it. Secondary consumers receive 10% of the energy available at the primary consumer level and 1% of the original energy. A tertiary consumer acquires 10% of the energy available in the second plane his 0.1% of the original energy.
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How does a human body get energy from the food molecules
Explanation:
When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose. The stomach and small intestines absorb the glucose and then release it into the bloodstream.
the biotic components of the environment of a pronghorn and a starfish respectively are
Predators, competition, and parasites are the respective biotic components of a pronghorn and a starfish.
What do you mean by biotic components?Biologic components are living things that influence other organisms in an environment either directly or indirectly. Take microorganisms, plants, and animals along with the garbage they produce as an example. All chemical and physical components of an ecosystem are considered to be non-living, or abiotic, elements.
Briefing:The ecosystem is made up of biotic components, which are living things that have an impact on other living things. An animal that preys on or consumes other creatures is a predator. Living things known as parasites rely on their hosts for nutrition and support.
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Consider the questions “What color is your friend’s car?” And “How many legs do dogs have?” To answer these questions, would you use the scientific method, or would you rely on observation? Why?
To answer the question of “What color is your friend’s car?”, an individual would rely on observation in this type of scenario.
What is Scientific method?This is used in the field of science to acquire through the use of various techniques such as the following which are shown below:
HypothesisExperimentConclusion etc.Observation on the other hand is the process which involves the monitoring of something so as to get the required information and employs the use of our sense organs such as the eyes, ears etc. This organs are involves in the relay of the impulses to the brain for processing.
Questions such as “What color is your friend’s car?” And “How many legs do dogs have?” can be answered by using our sense of sight to answer them and they don't require scientific methods which is why it was chosen as the correct choice.
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Cell Work Unit Test
describe the relationship between a glose molecule and the products it makes during cellular respiration.
ATP is made via the metabolic process of cellular respiration, which breaks down glucose. The phases of cellular respiration are glycolysis, pyruvate oxidation, the citric acid cycle, or Krebs cycle, and oxidative phosphorylation.
Each glucose molecule undergoes a slow breakdown into carbon dioxide and water during cellular respiration. In the course of the processes that change glucose, some ATP is created directly. However, a process known as oxidative phosphorylation produces a lot more ATP later. The electron transport chain, which consists of a number of proteins lodged in the inner membrane of the mitochondrion, is what drives the process of oxidative phosphorylation.
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2. Examine the drawing of the cell membrane below. It consists of two layers of
phospholipid molecules with protein molecules providing pathways in and out of
the cell.
fluid inside cell
protein molecules
DAAROO
fluid outside cell
channel
What is the function(s) of the cell membrane? Select all that apply. *
produce energy (ATP) for the cell
provide a protective barrier between the inside of the cell and the outside
environment
contain the genetic material (DNA)
make proteins for the cell
control what comes in and out of the cell
package materials
double layer
of fat
(phospholipid)
molecules
1 point
Answer:
provide a protective barrier between the inside of the cell and the outside
environment
Explanation:
Hope It Helps
Sorry If I'm Wrong
What percentage of nonmigratory wildebeest deaths are caused by predation?
...
13. Explain the difference between a light microscope and an electron microscope.
Live things, dead things and more magnification
 What do you hope to get out this course natural science
There are many good courses under natural sciences as it is not a single course but a mixture of every course to make up the whole earth.
Natural science is subject with deals with the physical world and its components which make up the whole earth including all the plant's animals chemicals inorganic organic materials starting sun galaxy gravitation and deals with all the natural phenomenon happening on the earth so all in all natural sciences deals with chemistry botany zoology geology mathematics physics astronomy biological sciences genetics microbiology and the main focus f natural sciences is to understand the reasons behind all the happenings in the universe and on earth, to know how microorganisms work, which are good which are harmful, and this specific data is used by the data scientists to formulate the conclusions and ideas to make the natural world better for living so the things which can be taken out from natural sciences are the ways of better living , ways to invent new ideas , ways to experiment and observe more , to understand and have greater knowledge of physical world , to make the medicine industry more profitable and making and finding medicines to the diseases which have not been found yet and also to make life more inresting and worth living.To know more about natural sciences click at https://brainly.com/question/6567816
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It needs two answers please help!!
A scientist observed a plant growing near a sunny window. Over several
weeks, the leaves of the plant grew larger and began to face the light from the
window. Which two characteristics of life did the scientist observe?
A. Response to stimuli
B. Evolution
C. Reproduction
D. Growth and development
Answer:response to stimuli, and Growth and development.
Explanation:trust
1
Which source on the writing of the U.S. Constitution would be considered a primary source?
A a newspaper editorial written in 1887
B
an encyclopedia article on the Constitution
Charles Beard's book, An Economic Interpretation of the Constitution (1913)
James Madison's Notes on the Constitutional Convention
Answer:
James Madison's notes on the Constitutional Convention
Which of the following is the best definition of bias?
Answer:
an inclination of temperament or outlook
Explanation:
The number of significant figures in 200.000 is ?
The number of significant figures in 200.000 is six.
Significant figures are the number of digits that add to the correctness of a value, frequently a measurement. The first non-zero digit is where we start counting significant figures. Any two non-zero digits that are separated by a zero are important. For instance, the number 108.0097 has seven significant digits. Every zero that is both to the right and left of a non-zero digit and the decimal point is never meaningful. For instance, the number 0.00798 had three significant digits.
The correctness and precision of numbers are the focus of significant figures, also known as significant digits, which are crucial components of scientific and mathematical calculations. Significant numbers play a crucial role when estimating the degree of uncertainty in the outcome.
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Answer:
HACCP is a program designed to create awareness of potential points
of contamination in a food-processing facility.
a. true
b. false
2 Answer:
A bacteriostatic agent uses static electricity to remove bacteria
from a surface.
a. true
b. false
3 Answer:
The three major sources of contamination in a food processing plant
are people, processing equipment, and the plant environment.
a. true
b. false
4 Answer:
Water hardness is a measure of the presence of substances in water
that form insoluble precipitates with soap.
a. true
b. false
5 Answer:
The floor of a food processing facility should have an unfinished
concrete surface for easy cleaning.
a. true
b. false
Answer:
i want points please...................
5) FORENSICS REVIEW Physical or Biological?
a.Fibers from a jacket
b. Skin cells under fingernails c.Fingerprints
d. Pollen transfer from one location to another
6) FORENSICS REVIEW Class or Individual?
a.Tire Marks
b. DNA
c. Fingerprints
d. Blood type
Answer:
A,B
Explanation:
lucia is walking barefoot in her yard. She accidentally steps on a nail. how will her nervous system work to generate a reaction ? arrange the events chronologically
Answer: her nervous system will breakdown and go into pain
Explanation:
no answer choices
I need help on this it's due tomorrow