Answer:
15
Explanation:
lisen to me
hope it helps...
5-minutes for non-irritants or mild irritants, 15-20 minutes for moderate to severe irritants and chemicals that cause acute toxicity if absorbed through the skin, 30 minutes for most corrosives..
all of them except clouds
Chemical energy chemical energy
A and C
A.
a theory should provide the simplest possible (viable) explanation for a phenomenon. and thereby your answer is C
