Which of these is a source of sediment?

all of the above

fragments of other rocks

chemicals and minerals dissolved in water

sea shells

chemicals and minerals dissolved in water

It would be all of the above (Or below the way it was typed) I know this because I just took the test and got it write hope this helps!

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.