Calamites was an example of a _________ plant. Fill in the blank(s) with the appropriate word(s)
sphenopsid
Environmental & Atmospheric Sciences
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Petroleum, or crude oil, is a black, gooey liquid consisting primarily of
A. hydrocarbons. B. nitrates. C. methane. D. oxygen. E. phosphates.
Environmental & Atmospheric Sciences
The debris from the Big Bang was made almost entirely of ________
A) oxygen and silicon B) hydrogen and helium C) iron and nickel D) carbon and nitrogen
Environmental & Atmospheric Sciences
How many stereoisomers are possible for 3-ethyl-4-methyl-2-hexanol?
A) 2 B) 4 C) 8 D) 16
Environmental & Atmospheric Sciences
In the late 1700s James Hutton published his important work titled ________
A) Catastrophism B) Theory of the Earth C) Principles of Geology D) Modern Earth Science
Environmental & Atmospheric Sciences