Question

Fluctuations in the phosphorus cycle in aquatic ecosystems _______.
a.
can lead to changes in the growth rates of aquatic populations
b.
are never caused by human impact on the environment
c.
lead to a decrease in the amount of phosphorus found in sediment
d.
never occur naturally

Answer 1

Will you give medal?

Answer 2

based on your own knowledge which one would you get rid of

Answer 3

@MikeLemus

Answer 4

thanks

Answer 5

not a problem @MikeLemus