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levacccp [35]
3 years ago
7

I don’t understand stand help me

Biology
1 answer:
Bond [772]3 years ago
6 0

Answer:

With what ive read I’m assuming its A

Explanation:

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An object weighs 40kg on Earth. Describe how the weight of an object would change if it were put on the moon.
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The weight would decrease because there is less gravity on the moon

Explanation:

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kogti [31]

The correct answer is option D, that is since genetic drift is random, it does not always favor the better or healthier organisms.  

A mechanism of evolution in which the frequencies of alleles of a population change with generations because of sampling error is known as genetic drift. It takes place in all the populations of non-infinite size, however, its influences are strongest in small populations.  


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3 years ago
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On a molecular level, explain what happens when a kite lifts into the air?
NeTakaya

The difference in air pressure which is created by the molecules in air help to move kite up into the air.

<u>Explanation:</u>

When air moves faster, pressure of air becomes less. Air moves at a faster speed above the kite than below it and so its pressure is less on top of kite. The air pressure below kite is less. This difference in pressure results in uplifting of kite. Molecules of air with high pressure exerts more force on kite from bottom and thus pushing it up in air.

The greater is the difference between air pressure above kite and air pressure below kite, greater is the amount of force exerted on kite and hence, it reaches a greater height.

7 0
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Wavelength is:
pishuonlain [190]
C. the answer is c. i just took this test on keystone (i think this is keystone question. right?0
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