Petroleum in the ocean is not considered a pollutant when ________
A) it leaks from a ruptured pipeline
B) it results from extraction on the sea floor
C) it was already sent to a refinery
D) natural seepage is responsible
E) oil tankers run aground
D
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Since the collapse of the Soviet Union, what has become of the policy of Russification within former Soviet republics?
A) Russification continued to rise in the 1990s, but has decreased since 2000. B) Russification has been reversed, where greater numbers of Russians are encouraged to leave these regions. C) Russification has remained relatively the same. D) Russification has increased greatly, with greater numbers of Russians settling in these regions. E) Russification has decreased, with fewer Russians settling in these regions.
Which scientist led Darwin to his great idea about the cause of evolutionary change by observing that human populations grow much faster than available food supplies and that famine was an inevitable feature of human existence?
A) Charles Darwin B) Charles Lyell C) Thomas Malthus D) Jean Baptiste Lamarck
Sedimentary rocks on platforms are entirely carbonate rocks. Indicate whether the statement is true or false
The cyclic structures of monosaccharides are which of the following?
A) acetals B) hemiacetals C) ethers D) esters