The horizon in which water moves fine particles downward in a process called eluviation is the ________ horizon
A) A
B) O
C) E
D) B
E) C
C
Environmental & Atmospheric Sciences
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Which of the following is true of the alcohol functional groups in 1,3-butanediol?
A) One is primary and one is secondary. B) One is primary and one is tertiary. C) Both are primary. D) Neither is primary.
Environmental & Atmospheric Sciences
Deep ocean water masses have characteristics temperatures and salinities.
a. true b. false
Environmental & Atmospheric Sciences
Which of the following is not a biotic component of an ecosystem?
A) plants B) animals C) bacteria D) mineral nutrients
Environmental & Atmospheric Sciences
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
Environmental & Atmospheric Sciences