3 years ago

1. What is a source of new alleles in natural populations?

1 answer:

8 0

Explanation:

Generally, mating outside of a given population can give different alleles. Mutations and the crossing over of chromatids can add difference to the genetic pool.

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3 years ago

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How many atoms of Kr (Krypton) are in a balloon that contains 2.00 mol of Kr? (4)

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Answer:

$atoms= 1.204x10^{24}atoms$

Explanation:

Hello!

In this case, according to the Avogadro's number, it is possible to compute the atoms of Kr in 2.00 moles as shown below:

$atoms=2.00mol*\frac{6.022x10^{23}atoms}{1mol} \\\\atoms= 1.204x10^{24}atoms$

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Rudiy27

Density that is determined by a balance between gravity and pressure

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Explanation:

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