PLEASE HELP!
I do not need 3-5 sentences for each, but please provides topics for each sentence! I can go off of those.

1. In three to five sentences, analyze potential impacts of oceans on human populations as the result of climate change in the current century.

2. What would happen if some of the world's countries broke the Montreal protocol an industry begin manufacturing and using chlorofluorocarbons again? In three to five sentences, describe the effect of this action on Earth's atmosphere and surface.

3. In three to five sentences, explain the difference in good and bad atmospheric ozone and how each it distributed in Earth's atmosphere