Ocean water evolved ____.
A)from condensation of water vapor in a hydrogen rich atmosphere
B)from condensation of water vapor from volcanic eruptions
C)as Earth warmed
D)with accumulation of rainfall
E)as glaciers melted
Question 2
The two most familiar and widely used metamorphic rocks are marble and slate.
Indicate whether the statement is true or false
Question 3
Dome-headed dinosaurs (pachycephalosaurs) are only known to us from ____ rocks.
A)early Triassic
B)early Jurassic
C)late Jurassic
D)early Cretaceous
E)late Cretaceous
Question 4
Which term describes vertical ocean circulation, in which water moves from deep to shallow?
A)surface currents
B)deep currents
C)downwelling
D)upwelling
E)gyre transport
Question 5
Migmatites can form in the deeper portions of the crust at convergent plate boundaries.
Indicate whether the statement is true or false