Some scientists think that Yellowstone could cause a future disaster because
A) the area is part of a caldera.
B) magma is still present at depth.
C) past eruptions from Yellowstone carried ash over a huge area of western North America.
D) land near Yellowstone is uplifting in some places and subsiding in others.
E) All of these are correct.
E) All of these are correct.
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The IPAT model states that the key factor in environmental impact in
a. developing countries is resource use b. developing countries is population size c. developed countries is resource use d. developed countries is population size e. more than one of these answers
In the old practice of taking a pet canary into a coal mine to detect the presence of carbon monoxide, the canary represents a(n) ____ species.
A. generalist B. native C. indicator D. specialist E. keystone
Which is TRUE regarding strategic minerals?
A) China is the world's largest producer of strategic minerals. B) China is the world's largest consumer of strategic minerals. C) The world has about 1000 years worth of these minerals at current rates of consumption. D) The United States has increasingly depended on imports of these in the past fifty years. E) The Middle East is the world's most significant repository of strategic minerals.
Pharmacogenomics refers to which of the following?
A) using portions of the genome to synthesize drugs B) studying how genetic variation influences responses to drugs C) both a and b D) neither a nor b