How do increasing greenhouse gas emissions lead to sea-level rise?

Can someone answer all these questions i need it done by tonight. once again

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.

Briefly describe in your own words the pros and cons of the changes people have made to the land in south florida.