Answer:
Ca5 or Apatite
Explanation:
match each force abbreviation to the correct description.
Answer:
Fp- force exerted by a push or pull
Fn- support force at a right angle to a surface
Fg also known as an object's weight
Ff- force that comes from a resistance to motion
Explanation:
Correct on EDGE 2020
The force abbreviation to the correct description is describe below;
Fp- force exerted by a push or pull.
Fn- support force at a right angle to a surface.
Fg- also known as an object's weight.
Ff- force that comes from a resistance to motion.
What is force ?A force is an influence that can cause an object's motion to change. A force can cause a mass object to change its velocity, or accelerate. Intuitively, force can be described as a push or a pull. A force is a vector quantity because it has both magnitude and direction.
The term "force" has a specific meaning in science. At this level, it is perfectly acceptable to refer to a force as a push or a pull. A force is not something that an object possesses or possesses. Another object applies a force to another. The concept of a force is not restricted to living or non-living things.
Thus, Fp- force exerted by a push or pull.
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The chemical symbol for sulfuric acid is H2SO4. How many atoms are contained in each molecule of sulfuric acid?
a.
3
c.
6
b.
5
d.
7
Use the terms carbon dioxide, nitrates, phosphates, sulfates, and water to complete the chart that describes the inorganic compounds that provide most of the main elements of life to plants.
Answer: hi imi i new
Explanation:
Photosynthesis occurs. How do plants get the carbon dioxide they need for photosynthesis?
When a log burns in a fire, a a physical change has occurred. b mass is gained. c new substances are formed.
Answer: technically it is chemical and physical change
Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes
Answer:
C! New substances are formed.
Explanation:
The burning log will release carbon dioxide, which is a new substance that was never there in the first place.
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Steps of Cellular Respiration:
___ Carbon dioxide molecules form.
___ Sugar molecules are broken down.
___ A flow of electrons produces chemical energy and water.
so the first one is sugar molecules are broken down then it's carbon dioxide molecules form then a flow of electrons produces chemical energy water
How many atoms are in Fe(OH)2
there's a total of five atoms
Answer:
There are 5 atoms
Explanation:
Brainliest Please
Compound: ________________
. Found in saltpeter in soil; contain nitrogen (N)
Answer:
Potassium nitrate or KNO3
Explanation:
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22 grams, 5 x 3 x 1 = 15 / volume. mass (330) ÷ 15 (volume) = 22 grams (density)
Answer:
22g
Explanation:
You can use the formula to get density but to get there you need to know volume. Volume is length x width x height. V= 3x5x1. Volume is 15. Then you take your mass and divide it by volume to find density. D= 330/15. The density is 22g.
Match the terms
1.the total energy of any closed system, including all internal kinetic and potential energy of the system
2.a measure of the average kinetic energy of particles in an object
3.something that flows into a substance
Terms-
Temperature
Heat
Thermal Energy
Answer:
1-thermal energy, 2-tempurature, 3-heat
Explanation:
The correct match of the terms and their definitions are:
1. Thermal energy – the total energy of any closed system, including all internal kinetic and potential energy of the system.
2. Temperature – a measure of the average kinetic energy of particles in an object
3. Heat – something that flows into a substance
What is thermal energy?Thermal energy is the energy that is formed by heat. It is produced when the temperature of a body increases. This cause the molecules and atoms to run or move fast or collide with each other.
Heat is a form of energy that is produced when the temperature of a substance increases. Heat, thermal energy, and temperature are interconnected to each other.
When the temperature rises, the heat or thermal energy in the body increase, which cause the movement of atoms faster, and the atoms collide with each other.
Thus, the correct match is 1- thermal energy, 2- temperature, and 3- heat.
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I have 7 more questions left :’)
Carlos listed some advantages and disadvantages of using nonrenewable resources.
Which best describes Carlos’s error?
Answer:
The answer is ores must be processed to make useful products!
Explanation:
And done! :)))))))))
Heather is investigating the properties of light and how it travels. She places a glass on the windowsill and waits for the sun to shine on the glass and observes what happens. Next, she places a piece of cardboard in front of the glass. Which statement describes the results of her observations?
A Since glass is translucent, most of the light energy was reflected from the glass.
B When the cardboard was placed in front of it, the cardboard absorbed some of the light energy.
C The light from the sun was able to travel through the glass. When the cardboard was placed in front of the glass, it absorbed the light energy from the sun and converted it into heat energy.
D The glass absorbed the light and converted the light energy into heat energy. When the cardboard was placed in front of the glass, the heat was transferred from the glass to the cardboard.
When the sun hit the glass, the light energy was absorbed. When the cardboard was placed in front of the glass, it absorbed the light energy from the sun and converted it into heat energy.
Answer:
nope it is not c
Explanation:
How does the atmosphere make Earth warmer?
Answer:
Earth's surface warms up in the sunlight. At night, Earth's surface cools, releasing heat back into the air. But some of the heat is trapped by the greenhouse gases in the atmosphere. That's what keeps our Earth a warm and cozy 58 degrees Fahrenheit (14 degrees Celsius), on average.
Explanation:
You know the drill by now-
Answer:
distance time
Explanation:
Answer:
First box : Distance
Second Box: Time
Explanation:
<3
What are elements and how do they differ?
Answer:
Explanation:
Compound
A compound contains atoms of different elements chemically combined together in a fixed ratio.
Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds. They contain only one type of molecule. Elements that compose the compound are chemically combined.
A compound can be separated into simpler substances by chemical methods/reactions.
A huge, virtually limitless, number of chemical compounds can be created. Compounds are classified into molecular compounds, ionic compounds, intermetallic compounds and complexes.
A compound is represented using its chemical formula that represents the symbols of its constituent elements and the number of atoms of each element in one molecule of the compound
Element
An element is a pure chemical substance made of same type of atom.
Elements contain only one type of atom. Each atom has the same atomic number i.e., the same number of protons in their nucleus.
Elements cannot be broken down into simpler substances by chemical reactions.
There are about 117 elements that have been observed. Can be classified as metal, non-metal or metalloid.
An element is represented using symbols.
Answer:
element is defined as ONE substance. it's a pure substance and contains only oNE type of atom
Organisms on earth are
what-based life forms
oxygen
hydrogen
carbon
What is the difference between force and velocity?
Answer:
A force pushes or pulls on an object, but velocity is simply something an object has
Explanation:
How many atoms are in (NH4)2SO4
Answer:
15
Explanation:
1N
4H
2S
(2*4=8)O
Why is rain likely when warm, moisture-laden air meets cold air? A) The lighter warm air will rise and cool down, causing condensation and rain. B) The cold air moves faster and pushes the warm air away, causing condensation and rain. Eliminate C) The moisture in the warm air condenses on contact with the cold air, causing rain to fall. D) The cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answer:
B) The cold air moves faster and pushes the warm air away, causing condensation and rain.
In which direction does heat energy move?
A From cold objects to colder objects
B From colder objects to warmer ones
C From warmer objects to colder ones
D From warm objects to warmer objects
Answer:
B
Explanation:
Because when a cold object is cold it start to get warm because Of the air.
and it start to warm and it gets warm.
Question 6(Multiple Choice Worth 3 points)
(02.01 MC)
What is the landform in the image
Dune
Hill
Plateau
River
Answer:
C (Plateau) :)
Explanation:
Because a plateau is an area of relatively level high ground. so that means the answer is plateau!
Which of the following descriptions matches the motion shown in the graph.
A person leaves home and slows down for a pedestrian.
A person leaves home, picks up speed, and then stops at a red light.
A person is parked at parking lot and then speeds off.
A person walks down the block at a steady speed.
If I already asked this but please help ;v;
Answer:
A person leaves home, picks up speed, and then stops at a red light.
Explanation:
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Convection is a process in which the heat from one part of a fluid ( which can either be a liquid or a gas ) moves to its other parts .
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Answer:
disagree
lavoisers law of masses
What two gases in the atmosphere do animals and plants need to breathe and grow?
Answer: Plants and animals make the gases that the other needs to live. Plants need carbon dioxide and animals exhale carbon dioxide as a waste product. People and other animals need oxygen and plants produce oxygen during photosynthesis.
Jessica is traveling from Miami, Florida, to Chicago, Illinois. Using the map, tell what the land will be like during the first half of her trip.
The elevation will be high.
The elevation will be low.
The land will be mountainous.
The land will stay below sea level.
What can the student conclude about the experiments? (Attachment)
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A. Experiments 1 and 2 show chemical changes because bubbles were produced.
B. Experiment 1 shows a physical change because no new substances were produced, and experiment 2 shows a chemical change because a new substance was produced.
C. Experiment 1 shows a chemical change because bubbles were produced, and experiment 2 shows a physical change because a liquid turned into a solid.
D. Experiments 1 and 2 show physical changes because no new substances were produced.
Answer: B. Experiment 1 shows a physical change because no new substances were produced, and experiment 2 shows a chemical change because a new substance was produced.
Explanation: a physical change is reversible
chemical is 2 or more substances combined to make a reaction such as bubbling, change of color or temperature