Critical Thinking
What will happen if humanity's ecological footprint continues to be greater than the earth's ecological capacity?
What will be an ideal response?
Humans will destroy their environment, more and more animal and plant species will be lost, poverty and disease will increase, etc.
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What are three disadvantages of relying on oil as a primary energy source?
What will be an ideal response?
Greenhouse gases in Earth's atmosphere include ____.
A. oxygen, carbon dioxide, water vapor, methane B. nitrogen, carbon dioxide, methane, nitrous oxide C. sulfur dioxide, water vapor, methane, nitrous oxide D. water vapor, carbon dioxide, methane, nitrous oxide E. water vapor, carbon dioxide, methane, argon
Because of friction, surface winds move ____ winds aloft with the same pressure gradient
a. more slowly than b. at the same speed as c. faster than d. twice as fast as e. at half the speed as
Support is growing for the idea that a late Precambrian ice sheet was so extensive that the surface of the world ocean was frozen.
Answer the following statement true (T) or false (F)