What keeps Earth's asthenosphere pliable?
A) Chemical composition of the asthenosphere
B) The density of the asthenosphere
C) Earth's internal heat
D) Insulation from the lithosphere
C
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Which action least reflects an ecocentric worldview?
A. protecting the earth's biodiversity B. controlling human population growth C. creating better pollution treatment technologies D. increasing our dependence on renewable resources E. supporting a service-based economy
One of NEPA's major failures is that it does not require federal agencies to evaluate environmental consequences in their decision-making process.
Answer the following statement true (T) or false (F)
What are radioactive isotopes, and why are they important to geologists? What will be an ideal response?
Plant productivity is greatest in natural ecosystems when ________
A) the ecosystems are converted into cropland B) an invasive plant grows unchecked C) endemic species are present D) more species are present