Answer: I am taking this flvs test right now and I think it might be A or B
I think the final answer would be A
Explanation:
The reason I don't think its C because the addition of primary producers wouldn't directly affect secondary consumers. It would first affect the primary consumers.
The only answer that would directly affect a certain group is A.
Thyriod gland is the right answer
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Answer:
number 4 41 clay sediment 22 air 9 humus 28 water