What is the most likely meaning of confederacy as it is used in paragraph 7?

What are synonyms for the word “population”?

These two elements threaten ecosystem biodiversity.

About the size of pickup trucks from where you're floating, the organelles called mitochondria convert energy from your food into adenosine triphosphate, or atp, to power biochemical reactions. a typical cell burns through 1 billion molecules of atp every 1 to 2 minutes." summarize this pleas and aspa i will give brainless