toxic substances can increase the risk for birth defect, miscarriages,etc.
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.
The best option is B He used a new experimental method to test his hypothesis.
Chicken, black beans and walnuts are all found in the protein group
Hope this helps you