Which factor helps ecosystems survive changes? (I'll give brainliest if correct)
A. Many pioneer species
B. Secondary Succession
C. Increased Biodiversity
D. Eutrophication

"a" because he is appealing to logic as oppose to appealing to the audience's emotions.

but it is sometime nessary to hit key points or subjects   but is sometimes to much reveiw if there was a way to slim down the redone work it would improve for every body.