Answer:
The answer is C
Explanation:
Soil is rock but broken down into tiny rock.
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Answer:
Direct contact.
Explanation:
Since it was spread through facial tissue, physical contact is needed.
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Answer:
positive feedback
Explanation:Because when you get motion that means its positive but if doesn't feel motion than that is negative.
Answer:They live in different environments and to survive many finches have different beaks.
Explanation:
