Earthquakes result from ________
A) release of gases from the underlying mantle
B) surges of magma from the earth's core
C) global climate change
D) separation of layers within sedimentary rock
E) energy released from movement at plate boundaries and faults
E
Environmental & Atmospheric Sciences
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Radiometric dating has allowed scientists to assign absolute ages to the relative geologic time scale
a. True b. False
Environmental & Atmospheric Sciences
If you discover the fossil remains of archaeocyathids in a rock outcrop, you can be certain that
the rocks are from the a. Cambrian. d. Permian. b. Ordovician. e. Silurian. c. Devonian.
Environmental & Atmospheric Sciences
Mafic rocks contain about ________% silica.
A. 50 B. 10 C. 80 D. 25 E. 65
Environmental & Atmospheric Sciences
Accumulated lag deposits protect a beach from continuing erosion.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences