What are characteristics used to describe matter

Answers

Answer 1

Answer:

Physical properties are characteristics that describe matter as it exists. Some of many physical characteristics of matter are shape, color, size, and temperature. An important physical property is the phase (or state) of matter. The three fundamental phases of matter are solid, liquid, and gas

Explanation:


Related Questions

6. How are winds in the northern hemisphere differen
from winds in the southern hemisphere?

Answers

Answer:

Generally, prevailing winds blow east-west rather than north-south. This happens because Earth's rotation generates what is known as the Coriolis effect. The Coriolis effect makes wind systems twist counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

Explanation:

Order the following from largest to smallest:

chromosome
nucleus
nucleotide
DNA-histone complex
gene
cell double-helix

Answers

Explanation:

cell double-helix

gene

DNA-histone complex

nucleus

nucleotide

chromosome

define Vasoconstriction
in a way a elementary kid would understand

Answers

Vasoconstriction occurs when the blood vessels tighten, which causes the blood flow to slow down.

It’s when your blood vessels tighten like when you make fist and it makes the blood move very slow

Our solar system is in the _______ arm of the Milky Way galaxy, 28,000 light years from its center.

Answers

Our solar system is in the Orion arm of the Milky Way Galaxy, 28,000 light years from its center.

Answer:

Orion arm

Explanation:

Is there a symbiotic relationship between plants and water? If so, what effect does it have on their ecosystem?
A. Yes, there is a symbiotic relationship that is beneficial to both.
B. No, this would not be a symbiotic relationship
C. Yes, there is a symbiotic relationship that is beneficial for the plant but harmful to the water.
Pls help me with this :(​

Answers

Answer:

a

Explanation:

because it is beneficial in both plant an water

Answer:

(B) No this would not be a symbiotic relationship.

Explanation:

this is because symbiotic relationship is where the two organisms have a mutual relationship where they depend on each other. The plants depend on water for their growth while the water does not depend on anything from the plants.

An example of a symbiotic relationship is between rhizobium bacteria and leguminous plants.The rhizobium bacteria gets shelter and food from the leguminous plants while the leguminous plants use the bacteria to convert nitrogen in the air to nitrates through a process called nitrogen fixation.

Answer for 25 points also I’ll mark you as the brainiest ! For the quickest answer.

Answers

Answer:

The Fourth Point (between 4 and 5)

You find the optimal pH by looking for the pH with the highest activity.

Explanation:

The optimal ph is basically where the enzyme has THE MOST activity.

The fourth point of the pH, and activity is the optimal pH because it has the most activity out of the nine points.

Using only facts to explain or describe is being ___________________________ .
Group of answer choices

A)objective

B)factual

C)subjective

D)influential

Answers

B) factual because you are using proof
the answer is that it is being factual

You are studying three populations of an endangered species of toad that used to be common in the California central valley. Global warming has caused this species to retreat to higher elevations in recent decades where it stays cooler; the toad used to be found throughout the valley, but is now restricted to the tops of three mountains. Historical records indicate that there used to be hundreds of thousands of toads in the central valley, but sampling the mountaintops reveals that the toad population on each is now limited to a few hundred individuals. You survey allozyme diversity at one locus on each of the three mountaintops and find that each population is fixed for a different allele of the ribbit gene: mountain #1 is fixed for the A1 allele, mountain #2 for the A2 allele, and mountain #3 for the A3 allele. The average number of baby toads born in each population is the same, and the environment on each mountaintop is very similar, as far as your data show.
Explain why each population is fixed for a different allele.
Sentence 1: Describe the variability that was initially present in each of the populations.Sentence 2: State which individuals had the highest fitness in a given population, or why fitness is not an issue if that is your conclusion.Sentence 3: Explain what evolutionary force acted on the population(s), and why and how it acted.Sentence 4: Describe how the populations evolved in response to their changing environment. Be as specific as you can (e.g., say "increased" or "decreased", rather than just "changed".)

Answers

Answer:

Explanation:

The allele are fixed because there is no variation that exist in the population and the allele are almost completely the same hence no new combination of gene the same Allele will continue to reoccur

Variability exist because of random mating that occurs in the population initially when the toad filled up the entire central valley

Random mating ensures fitness in the initial population

Genetic drift acted upon the population drifting away allele that are very few in population or that occur less in the population and perpetuating alleles that frequently occur leading to a fixed allele.

There was a decrease in the population as a result of the change in the environment.

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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase

Answers

Answer:

RNA polymerase is the enzyme involved in the transcription of RNA molecules.

Question 4 of 5
Which phrase best describes the particles in a solid?
A. Completely still
B. Closely packed
C. Sliding around
D. Very far apart

Answers

The molecules would be closely packed
B closely packed since it describes the particulars in a soiled

Justin wanted to explain the water cycle to his class. He created a chart with labels and illustrations

Answers

The given question is incomplete, however, the questions related to this is as follows:

What are the characteristics of the water cycle?

What part do plants play in the water cycle?

Answer:

The correct answer is -

- The characteristics of the water cycle are evaporation, transpiration, condensation, precipitation, surface runoff, and groundwater.

- Plants perform transpiration.

Explanation:

The water cycle is the movement of the water in between different spheres of the earth that include the atmosphere, hydrosphere, geosphere and biosphere. The water cycle has various components and processes that complete the water cycle and connect different spheres.

The components of the water cycle are evaporation of water and transpiration from the hydrosphere or geosphere and plants respectively to the atmosphere. The condensation and precipitation to water again to the geosphere and hydrosphere from atmosphere and runoff on the surface on earth to the water resrvoirs.

If you wanted you duplicate conditions in a laboratory that produced metamorphic rocks what would you need to do

Answers

Apply high pressure to the rock. Apply high temperature to the rock. Apply high temperature and pressure to the rock.

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Identify the nitrogenous base NOT present in RNA.
Adenine
O Thymine
O Guanine
Cytosine

Answers

Answer:

Thymine

Explanation:

Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.

List five organelles eukaryotes have that prokaryotes do not have. ( 5pts)​

Answers

Answer:

Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria, and Cytoskeleton

Explanation:

The characteristics that eukaryotes have are lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.

What are eukaryotes?

Eukaryotes are lifeforms with nuclei and other membrane-bound organelles. Eukaryotic organisms include all animals, plants, fungi, and protists, as well as the majority of algae.

Prokaryotic organisms are the ones lacking a well developed nucleus. They do not possess lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.

Thus, these are five organelles that are present in eukaryotes but are absent in prokaryotes.

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which compound is a hydrocarbon?

a. H20
b. CO2
c. C2H6
d. C6H12O6

Answers

The answer is d-C6H12O6

Answer:

the answer is C

Explanation:

c2h6 is the answer

A fish of genotype a/a ; B/b is crossed with a fish whose genotype is A/a ; B/b. What proportion of the progeny will be heterozygous for at least one of the genes

Answers

Answer:

Proportion of heterezygous progeny = 3/4

Explanation:

According to Mendel's law of independent assortment which states that the alleles of two (or more) different genes get sorted into gametes independently of one another. This means that the allele a gamete receives for one gene does not influence the allele received for another gene.

Gametes produced by the fishes assuming independent assortment:

Fish 1 = aB, ab, aB, ab

Fish 2 = AB, Ab, aB, ab

Progeny from cross:

aBAB, aBAb, aBaB, aBab

abAB, abAb, abaB, abab

aBAB, aBAb, aBaB, aBab

abAB, abAb, abaB, abab

Proportion of heterezygous progeny = 12/16 = 3/4

Which of the following elements are commonly found as part of biological macromolecules?

Answers

Answer:

Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.

Explanation:

A in Bio last year.

biological macromolecules contain carbon. it may also contain hydrogen, oxygen, and nitrogen also including some very minor elements

Ahemisphere is ______ of the Earth
A. one-half
B. one-third
C. two-thirds
D. three-quarters

Answers

the answer would be A. 1/2

Answer:

A. one half

Explanation:

the earth is divided into the northern and southern hemisphere.

What cell makes up loose connective tissue?

Answers

Answer:

ppppppppppppppppppppp

Answer:

collagen and elastic fibres.

Explanation:

fibers and other components of the connective tissue matrix are secreted by fibroblasts

In a partially diploid F′ exconjugant, there are two alleles for lac (1 and 2) and two alleles for his (3 and 4). The phenotype of this cell is identical to a lac 1 his 4 cell. What is the best interpretation?

Answers

Answer:

Explanation:

Lac 1 and his 4 that shows identical phenotype are wild types.

Wild types are the native, the original species or individual of a particular habitat or colony.

Since lac 1 and his 4 are the wild type, lac 2 and his 3 shares the phenotype of Lac 1 and his 4 this because a cross with a wild type will give an individual with a blend of the two gene with phenotype as the wild because they have a dominant gene.

Lac 1 will shows its phenotype when his 4 is also present this is because a cross between the two will give an individual that is phenotypically identical with the parents

Lac 1 and his 4 are dominant.

Marissa pedals her tricycle down the sidewalk. At what age was she likely first able to pedal? (2 points)

A.One year old
B.Two years old
C.Three years old
D.Four years old

Answers

Answer:

three years old i think. sorry if its wrong

Most likely three because they walk better and stuff

Which government agency would you expect to be most concerned with the impacts of pollution?
a. Environmental Protection Agency (EPA)
b. Food and Drug Administration (FDA)
C. Bureau of Land Management (BLM)
d. Department of Fish and Wildlife

Answers

Answer:

a the Environmental Protection Agency EPA has jurisdiction over all pollution matters

The Environmental Protection Agency (EPA) will be most concerned with the impacts of pollution. Thus, the correct option is A.

What is Pollution?

Pollution may be defined as the presence of toxic substances in the environment which are harmful and poisonous to human health and animals to a larger extent.

The Environmental Protection Agency (EPA) has the administration and control over any consequences which are associated with pollution and its derivatives.

Therefore, the correct option is A.

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What is the benefit of diversity in a gene pool?

increased chance of migration.
increased chance of equilibrium.
increased chance of extinction.
increased chance of survival.​

Answers

Answer:

Increased Chances of Survival

Explanation:

Genetic diversity we could say as Variation in a gene pool and it serves as a way for populations to adapt to changing environments, So if there is any environmental change, With more variation it more likely that some individuals will have variation of allele in them that suits the change so they will have brighter chances of surviving.  

An increased chance of survival is the benefit of diversity in a gene pool.

Increased Adaptability: A broad gene pool produces a population with a wider range of genetic features and variants. Due to this diversity, there is a greater chance that an individual may have favorable qualities that will allow them to adapt to shifting environmental factors like temperature, resource availability, or the prevalence of diseases. Individuals with genetic variants that are advantageous in the altered environment are more likely to survive and pass on their genes to succeeding generations.

Better Resilience: A diversified gene pool acts as a defense against potential dangers and difficulties. A population with a diverse range of genetic variations is more likely to have some members who are immune to or resistant to particular illnesses, predators, or other stressors.

Hence, an increased chance of survival is the benefit of diversity in a gene pool.

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After Pedro had breakfast, he went for a run. Identify at least three energy transformations that had to take place to allow Pedro to complete his run. Then use evidence to support the claim that energy in this system was conserved as it was transformed.​

Answers

I tried my best to answer.

1) Chemical to mechanical (calories -> muscle contractions)
2) mechanical to mechanical (muscle -> motion)
3) mechanical to thermal (motion -> heat from the body causes sweating)

The potential energy is stored in the body chemically (via food). That potential energy is then released when the body is put in motion.

Answer:

When Pedro ate breakfast, he consumed chemical energy. Chemical energy is a form of potential energy and that potential energy was stored in his breakfast. When he went out for a run, the chemical energy transformed into mechanical energy, which is a form of kinetic energy. The mechanical energy then transforms into thermal energy when he is running. While running his temperature started to rise which caused him to sweat. The energy in his system was conserved as it was transformed because the energy was constant. When the energy was being transformed between different types, the total amount of energy remained the same.

Explanation:

you can switch up the words if you want !

What kind of protist causes dysentery?
A euglena
B amoeba
C algae
D slime mold

Answers

Answer:

D

Explanation:

which is most likely to contain organic compounds?

a. rocks and sand
b. living things
c. air and other gases
d. seawater

Answers

Answer:

b. Living things

Explanation:

Every living thing contains organic compounds.

a Scientific theory is best defined as what

Answers

Answer:

A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.

Explanation:

Hope this helps you. :))

2. Explain what happens during Osmosis? What type of transport is Osmosis? 3. What is a hypertonic solution? 4. What is a hypotonic solution? 5. What is an isotonic solution?

Answers

2. Osmosis will move water from a higher concentration to a lower concentration.

3. Osmosis is a passive transpiration because it does not require any energy to diffuse.

4. Hypotonic Solution is a solution where the solute concentration is lower comparing to another solution.

5. Isotonic Solution is where both the solute and solution have the same concentration.

Which shows a correct association between a structure and one of its functions? Pores receive sensory information. Oil regulates temperature. Vitamin D protects against bacteria. Sweat glands remove waste​

Answers

Answer:

D

Explanation:

Sweat Glands remove waste

The sweat glands that eliminate wastage represent the right association between the structure and one of the functions

.

What is a sweat gland that eliminates waste?

The sweat represents the fluid that comprises of mainly of water also there is much dissolved solid wastage that should be excreted via the sweet glands. It eliminates the excess water and salts also it served the function of colling the body at the time of thermoregulation.

Therefore, The sweat glands that eliminate wastage represent the right association between the structure and one of the functions

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A pathologist working in the lab observed a liver cell that had a very prominent endoplasmic reticulum. The cell also had a proportionately larger smooth endoplasmic reticulum than rough endoplasmic reticulum.

Which of the following is a plausible explanation for the purpose of a larger amount of smooth endoplasmic reticulum?

A) It is producing proteins for glycolysis and ATP generation.
B) It is packaging signal hormones for export out of the cell.
C) It is detoxifying drugs and toxins with hydroxylating enzymes.
D) It is folding membrane-bound proteins bound for the plasma membrane.

Answers

Answer:

B - packaging signal hormones for export out of the cell

Explanation:

Remember the smooth ER packages proteins and sends them out of the cell through vesicles (endo/exosymbiosos)

Answer:

C. It is detoxifying drugs and toxins with hydroxylating enzymes.

Explanation:

Hope this helps ;)

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