REALLY NEED HELP ASAP
Imagine that you are filling out a graphic organizer that outlines Roosevelt's main ideas. List a main idea from the beginning, one from the middle, and one from the end of the speech. Use at least one sentence for each main idea. (10 points)

Oceans produce approximately 80 percent of the oxygen our planet needs to support animal life. pollution that reaches the ocean through dumping, oil leaks, runoff, and other processes interferes with that oxygen production and poses a real threat to the oxygen content in our atmosphere. if the oxygen content decreases, it is likely that carbon dioxide will increase. this could have dramatic consequences for life as we know it. which does this passage indicate causes a decrease of oxygen in the atmosphere?