Where can the greatest depths be found in the ocean?
a. right after the continental shelf ends
b. on either side of a rift valley
c. in ocean trenches
d. where underwater volcanoes lie

The answer should be C. In ocean trenches

C. In ocean trenches. In fact, the Mariana Trench is the deepest known part of the ocean.

Although nelson mandela was arrested for treason and sentenced to life in prison, he was not arrested in 1964. he was arrested in 1962. therefore, letter b is false.

The reason why i feel that the theory of plate tectonics is correct because scientists have found dinosaur bones of the same species in africa, asia, and in the americas. which means that they must have been together at one point in time. plate tectonics is also how the hawaiian islands were formed. as the plate hawaii is on was moving north west, magma would melt through the sea bottom and hardening. forming into the island chain. plate tectonics also explains the mariana trench. two plates were moving away from each other and made a giant crack in the ocean floor running 2,550 kilometers (1,500 miles)  long.