Deepest place video

A  seafloor spreading

B  divergence

C  a cold, heavy plate causing subducting into the mantle

D  sliding of plates along a vertical fault

A  a strong relationship between the age of the sea floor and depth in water

B  a weak relationship between the age of the sea floor and depth in water

C  a weak relationship between the age of the sea floor and a shallowing of the water

D  a strong relationship between the age of the sea floor and a shallowing of the water

A  Having a weak rock makes tsunamis less frequent

B  Having a weak rock makes large powerful earthquakes less frequent

C  Having a weak rock makes tsunamis more frequent

D  Having a weak rock makes large powerful earthquakes more frequent

A  Yes

B  No

A  Hurricanes

B  Earthquakes and Tsunamis

C  Landslides and Tsunamis

D  Landslides

A  No

B  Yes

A  the east pole switches positions with the west pole

B  the north pole moves to the west

C  the north pole moves to the east

D  the north pole switches positions with the south pole

A  a flatfish, proved there was life was native to the trench

B  a cuttlefish, proved there was life could migrate down the trench

C  a flatfish, proved there was life could migrate down the trench

D  they found nothing

E  a cuttlefish, proved there was life was native to the trench

A  a pioneering submarine that could withstand pressure of 16,000 PSI with its 5 inch walls.

B  a pioneering submarine that could withstand pressure of 16,000 PSI with its 3 inch walls.

C  a pioneering submarine that could withstand pressure of 10,000 PSI with its 5 inch walls.

D  a pioneering submarine that could withstand pressure of 10,000 PSI with its 3 inch walls.

A  uses light beams to bounce off the ocean floor measuring features

B  pumps water to bounce off from solid ground and come back to the sonar, detecting the ocean floor features.

C  pumps sound waves into the water and the sound waves bounce off from solid ground and come back to the sonar, detecting the ocean floor features.

A  U.S.S. Constitution

B  H.M.S. Beagle

C  H.M.S. Cook

D  H.M.S. Challenger

A  Valerus Maneris, over 41,000 feet

B  Challenger Deep, over 35,000 feet

C  Peruvian Trench, over 39,000 feet

D  Challenger Deep, over 31,000 feet

E  Laurentian Deep,over 41,000 feet