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kaheart [24]
2 years ago
14

Most females have one X and one Y (XY) sex chromosome. true or false

Chemistry
1 answer:
FrozenT [24]2 years ago
7 0

Answer:

falseeee a female has two X's and the male has XY

Explanation:

learned this in biology last year

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It depends on the Chemical the Substance has. The more Chemicals, the better the Substance gets when its mixed with another.
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Which water source becomes polluted as it travels over the earth?
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Run off

Explanation:

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Surface run-off are water that moves on the earth surface. This water is a component of the water cycle which usually originate from precipitation.

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Why is water less dense as a solid than a liquid? In ecological terms, why is this of particular importance?
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3 years ago
What type of element is most abundant: metals, nonmetals, or metalloids?
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7 0
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Which of the following is most likely to dissolve in NH3? A) CO2 B) CH4 C) H2S D) BH3
dem82 [27]

Answer:

C) H2S

Explanation:

In chemistry, the dissolution of one substance in another is dependent on the magnitude of intermolecular interaction between the two substances.  Hence, if two substances do not interact in one way or the other, then one can not dissolve the other.

Let us consider the fact that NH3 is a polar molecule and it is a general principle that like dissolves like. Hence, only H2S which is also a polar molecule can effectively interact with  NH3 due to dipole-dipole interaction between the two molecules.

Also, ammonia reacts with hydrogen sulphide as follows;

2NH3 + H2S → (NH4)2S

Hence H2S is more likely to dissolve in NH3.

5 0
3 years ago
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