Answer:the decline of lichens is an important indicator of an imbalance in the ecosystem. this research can help system ecologists predict how pollution will affect the entire ecosystem
Explanation:
Answer:
its b
Explanation:
but I have to make the explanation 20 words so imma write random things down here jdjdnkoskdndhjejsjsoosjssnjdjdjdjso
The answer for this question is C.
The oxygen in the water molecule attracts the most electrons and in so doing attracts a slightly negative charge.
