Answer: petroleum
Hope this helps
Answer:
Some of the hydrogen bonds with other elements, but most of it remains free hydrogen. Both hydrogen and helium are light elements, so they will tend to evaporate into space over time. ... But the gravity of Earth isn't strong enough, so Earth's early atmosphere of helium and free hydrogen evaporated into space.
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In conservation biology, a flagship species is a species chosen to raise support for biodiversity conservation in a given place or social context.
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I just know ig ...
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I would think it would be B Hope this helps out.
Explanation:
The correct option is B.
An alteration in an individual's gene may either be beneficial or detrimental. If the alteration in the gene sequence confers a genetic advantage on the individual then the alteration is beneficial but it the alteration confers a genetic disadvantage on the individual, then the alteration is detrimental.
