About half of Earth's crust consists of compounds containing

A) carbon dioxide.
B) ozone.
C) oxygen.
D) nitrogen.
E) argon.


C

Environmental & Atmospheric Sciences

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Which of the following is a byproduct in the production of soaps?

A) glycerol B) triglycerides C) ethanol D) none of these

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Which classification scheme is correct taxonomy going from general to specific? (NOT all categories are considered.)

a) Kingdom, family, order, phylum, species, class b) Species, genus, family, phylum, order, kingdom c) Order, family, class, kingdom, phylum, class d) Kingdom, phylum, class, order, family, genus, species e) Kingdom, phylum, order, class, species, genus

Environmental & Atmospheric Sciences

The predominate system of agriculture practiced in Subsaharan Africa is

A) subsistence cultivation. B) intensive subsistence wet rice dominant. C) mixed crop and livestock. D) pastoral nomadism. E) dairy.

Environmental & Atmospheric Sciences

The temperature scale that sets freezing of pure water at 32o F:

a. Kelvin b. Fahrenheit c. Celsius d. British

Environmental & Atmospheric Sciences