Which statements apply to density? Check all that apply.>Density is a chemical property of an object.
>The density of an object is constant.
>Density is a derived unit of measure.
>Density is the sum of the mass and volume of an object.
>The density of an object determines whether it will sink or float.

Answers

Answer 1

Answer: The only statement on the options that says true about density is:
> The density of an object determines whether it will sink or float.

Why?
Density is a physical property of an object.
Density is not derived as a unit of measure. It is derived from 2 fundamental units: kg and m.
The Density of an object is not constant.
Density is calculated by dividing the mass by the volume of an object.

Answer 2

Answer:

The density of an object is constant.

Density is a derived unit of measure

The density of an object determines whether it will sink or float.

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How dose natural selection produce adaptations in a species?

Answers

For natural selection to occur, several premises must be satisfied. Firstly, there must be variation in a population. If all individuals are the same, there is no variation on which selection can occur. Secondly, these traits must be heritable, meaning they are passed from parent to offspring. Natural selection cannot operate on traits that have no genetic basis. There must also be differential reproduction, which means that some individuals must reproduce more than others. When all of these factors occur, natural selection results in evolution as advantageous traits propagate throughout the population.

Natural selection is quite variable, as changes in the environment impact what traits are advantageous in a particular time and place. A good of example of this comes from Galapagos finches. These birds have varying beak sizes. Wide beaks are best for eating hard seeds, while long narrow beaks are more adept at exploiting the fleshy fruit from trees. Typically narrow beaks are more prevalent, but during drought conditions when trees cannot produce fruit, seeds become a more abundant food item. This results in those finches with wide beaks having more food available and reproducing more than those with narrow beaks. When droughts persist over many years, wide beaks replace narrow beaks as the most common, but this trend reverses when droughts end and fruits once again become available.

When there is a natural selection upon any species this means that that specific species has an adaptation / a increase in survival skills .

There a Giraffes for EXAMPLE : one group of giraffes have medium length necks and the 2nd group has longer necks , so they can reach the 85 foot tall trees.

That was an example of natural selection , i hoped that my answer helped yo out a lot , have a nice day.

What happens to the two air masses as the warm air mass advances?The cool air will sink rapidly, cool, release moisture, and produce thunderstorms and severe weather.

A.

The warm air will rise rapidly, cool, release moisture, and produce thunderstorms and severe weather.

B.

The warm air will rise gradually, cool, release moisture, and produce a gentle rain or drizzle.

C.

The cool air will sink gradually, release moisture, and produce a gentle rain or drizzle.

D.

Answers

B.

The warm air will rise gradually, cool, release moisture, and produce a gentle rain or drizzle.

Which statement BEST describes the effects that stress has on the immune system?A.
Stress can lead to increased vulnerability to infections and immune deficiency disorders.
B.
Stress can lead to decreased infections and immune deficiency disorders.
C.
Stress can inhibit the production of red blood cells and platelets.
D.
Stress can decrease the likelihood of catching colds, flu, and pneumonia.

Answers

I would say A. Stress can lead to increased vulnerability to infections and immune deficiency disorders.

Answer:

its a

Explanation:

took the test

Which units are used in a pyramid of numbers

Answers

Answer:

It is Individuals

Explanation:

Kilocalories is for energy pyramid g C/m^2 is biomass m/s^2 is probably related to speed, so that leaves us with Individuals.

Answer:

It is a graphical representation of biomass (total amount of living or organic matter in an ecosystem) present in unit area in different trophic levels. Typical units are grams per square meter, or calories per square meter. The pyramid of biomass may be "inverted".

Explanation:

Which bonds are found inside a water molecule, between hydrogen and oxygen?

Answers

Answer:

Hydrogen Bonding in Water (1) The hydrogen bond in water is a dynamic attraction between neighboring water molecules involving one hydrogen atom located between the two oxygen atoms.

Explanation:

Hydrogen would be the answer

Are gametes exactly the same? Explain why or why not?

Answers

Because each gamete has a different combination of parental chromosomes and is the result of crossing over

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