Answer:
The ocean is one of Earth's most valuable natural resources. It provides food, as about 200 billion pounds of fish and shellfish are caught each year and is used as transportation for both travel and shipping.
Glaciers carry soil from one place to another. This means that a lot of the fertile soil used mainly for that one area could have been taken away and effected negatively because the fertile soil on the bottom isn't as good as the one on the top, which has been dragged away by glaciers. However, it can take soil to environments where soil is needed, helping it.
(So sorry but the same questions get the same answers lol)
crust and mantle.....................................
