What is NOT true about a stream’s base level?

A. Temporary base levels can reach below sea level.
B. It is the lower limit to a stream’s downcutting.
C. It is an imaginary slope extending inland from sea level.
D. Ultimate base level is sea level.
E. It is the same level across all sections of the stream.


E

Environmental & Atmospheric Sciences

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Two commonly used inhalation anesthetics are Ethrane and Forane. They are two of many isomeric ethers which have the molecular formula C3H2ClF5O. In how many of these isomeric ethers are three F atoms bonded to a single carbon atom?

A) 6 B) 8 C) 10 D) 12

Environmental & Atmospheric Sciences

Despite increased agricultural production by developed countries about 100 years ago, less developed countries continued to use traditional agricultural practices. Then, in the 1960s, the research of Dr. Norman Borlaug increased crop production by nearly 500% in Mexico and India by using __________.

a. modern farm equipment b. disease resistant crops c. high yielding crops d. All of the above responses are correct.

Environmental & Atmospheric Sciences

Before attaining enlightenment and becoming the Buddha, Prince Gautama was a(n)

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Environmental & Atmospheric Sciences