Glacial deposits, as well as striated and polished bedrock, indicate that two major episodes of glaciation took place during the _______________.
Fill in the blank(s) with correct word
Question 2The most effective aquifer is likely to ____.
A)be composed of metamorphic rock
B)be composed of igneous rock
C)have well-sorted and well-rounded sediments with high permeability
D)have high porosity and low permeability
E)have low porosity and high permeability
Question 3Most scientists believe that volcanism has played a major role in the depletion of the ozone layer in Earth's stratosphere.
Indicate whether the statement is true or false
Question 4The assemblage of sandstone-carbonate-shale is probably indicative of ____________________ (in depth) water shelf environment.
Fill in the blank(s) with correct word
Question 5What is an example of a rock/sediment type that could be an effective aquiclude?
A)quartz sandstone
B)fractured granite
C)gravel
D)shale
E)graywacke
Question 6Harmonic tremor indicates that magma is moving beneath a volcano.
Indicate whether the statement is true or false
Question 7The Grenville orogen probably resulted from closure of a(n) __________, the final stage in a Wilson cycle.
Fill in the blank(s) with correct word
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