Answer:
cellular respiration...that's breathing out of humans
and through human activities like burning of fossil fuels...
Answer: a) rarely occurs in highly connected metapopulations
Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes
Explanation:
Hope this helped <3
All you have to do is resherd it
-Each layer is younger than the one below it.
