Most Seamounts Are ______

Q31: The ocean became salty as water picked

Q32: Ocean water originated mainly from degassing of

Q33: A(n) _ continental margin usually lacks a

Q34: Oceans cover _ percent of the Earth's

Q35: Passive margins are found on the edges

Q37: _ are rounded masses of rock that

Q38: Many guyots and seamounts are aligned in

Q39: A rift valley runs down the crest

Q40: Geologists' ideas about the composition of ocean

Q41: These machines can take geologists to many