A glacier covering at least 50,000 km2 and unconfined by topography is classified as a(n) ____
a. ice cap
b. continental glacier
c. moraine
d. cirque
e. valley glacier
b
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The overall rate at which humans are producing carbon dioxide is
A) increasing. B) decreasing. C) some years increasing and other years decreasing. D) remaining about the same.
The ___________ ____________ is the energy that causes ocean waves to form. Fill in the blank(s) with the appropriate word(s)
Scientific inquiry is based on ________
A) an expanding knowledge based on observation, questioning, testing and discovery B) the production of technological advances C) facts that can be proven true without experimental manipulation D) making huge leaps of knowledge with scientific insights E) designing experiments that have never been done before
North Americans account for about 5% of the world's population but consume:
A. 10 percent of the world's oil. B. 15 percent of the world's oil. C. 5 percent of the world's oil. D. 22 percent of the world's oil.