Tephra is the same as ____
a. lava
b. pyroclastic material
c. mudflows
d. aa
b
Environmental & Atmospheric Sciences
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Plastic deformation occurs more readily in warm rock than in cool rock.
a. true b. false
Environmental & Atmospheric Sciences
The worldwide mineral demand is more than mineral supply.
a. true b. false
Environmental & Atmospheric Sciences
Because of unconformities, the geologic record at any given location is incomplete. In other words, no one locality on Earth can provide a complete record of our planet's history.
a. true b. false
Environmental & Atmospheric Sciences
What is the average rate of seafloor spreading in modern oceans?
What will be an ideal response?
Environmental & Atmospheric Sciences