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Mariana [72]
3 years ago
15

Pls help

Chemistry
2 answers:
Zanzabum3 years ago
7 0
You’re answer is B a liquid becomes a gas
aalyn [17]3 years ago
4 0
The answer to the question is B......
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A 3,3-dimethylhexane

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Which field of science studies the composition and structure of matter?
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Which of these represents a compound ? *<br> Water<br> Hydrogen<br> Oxygen
fiasKO [112]

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water

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H2O

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. Explain why some desert animals excrete uric acid rather than ammonia.<br>(2 marks)​
avanturin [10]

Answer:

AFAIK

Explanation:

uric acid is much less toxic than ammonia, hence bigger concentrations of it are tolerated in the body. This means you can excrete it while excreting very little water - beneficial wherever water's not abundant.

There's a tradeoff though, uric acid requires more energy to synthesize than ammonia, so pretty much all fish, say, excrete ammonia rather than uric acid - it's no problem to dilute ammonia since there's no water shortage.

5 0
3 years ago
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