Answer:
my prediction is maybe, d. a container of pond water with acid added to it.
Explanation:
because if you say the effects of acid rain on pond water, you can try that kind of experiment to find your product.
I think it depends on what it is about.. Did your teacher give you a punnett square or anything like that?
Make/produce and secrete hormones
By electric power station, where charcoal is used to produce electric energy.
