Answer:
Genetic variation.
Explanation:
It is caused by genes inherited from parents to offspring. It is a result of genetic information from parents.
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Answer:
Internet Answer- Deforestation has an effect on global air quality because trees release water vapor into the air which affects atmospheric temperatures and other crucial elements that keep this earth of ours ticking over nicely... This inevitably results in all of us breathing dirtier and more polluted air than we otherwise would.
<span>The remaining forms consist of the hardest rock.</span>
