Based on the discussion you watched, which are the best examples of collaboration among the
participants? check all that apply.
they all waited for their turns to speak.
they acknowledged each other before adding their own ideas.
they shook their heads and looked down when they disagreed.
they weren't interested in hearing different perspectives.
they spoke politely but weren't afraid to ask for clarification or express another view.
done

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?