Which is the main source of dissolved oxygen in the ocean? A underwater earthquakes
B decay of living organisms
C animals that live near the surface
D plants and algae that live near the surface

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing