Answer:
A the hole in the ozone layer is decreasing
B
Explanation:
Batesian mimicry is when an organism uses colors or symbols that other organisms regard as dangerous. These organisms use their scary appearance to appear as more of a threat than they really are, such as the viceroy butterfly, which looks like a poisonous monarch but is actually harmless.
Answer:
To be honest, I'm not sure anyone would know the answer to that,
Explanation:
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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