Multiple Choice
A tectonic plate is composed of:
A) cool, rigid rock that rides on a continuous shell of molten magma.
B) cool, rigid rock that rides on a plastic mantle layer.
C) hot, plastic rock supported by a rigid foundation of cool rock.
D) cool, rigid rock that floats on the Earth's molten core.
Correct Answer:

Verified
Correct Answer:
Verified
Q17: A _ is a combination of interacting
Q18: Which of the following is not a
Q19: Oceans contain _ percent of the Earth's
Q20: The _ of the Earth is a
Q21: Ground water saturating rock underground is a
Q23: Water frozen in glaciers is a component
Q24: Geologists estimate that Earth formed _ years
Q25: A feedback mechanism occurs when the environment
Q26: All of Earth's spheres continuously exchange matter
Q27: The rigid, outer part of Earth, including