Which nation-state(s) produce the most diamonds in Sub-Saharan Africa?
A) Nigeria
B) South Africa
C) Botswana
D) Namibia
E) South Africa, Botswana, and Namibia
Answer: E
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The person who contributed the most to the understanding and final acceptance of the theory of
glaciation was a. Hutton. d. Lyell. b. Agassiz. e. Darwin. c. Smith.
The high price of food on the global market is closely related to
A) the increased use of fertilizers and the rising cost of fossil fuels to produce them. B) the increased use of biological control and other sustainable agricultural methods. C) the cost to construct and use modern forms of irrigation. D) the cost of remediation to restore degraded soils to usable conditions.
The lengthy ridges of till along each side of an alpine glacier are ________ moraines
A) ground B) terminal C) medial D) lateral
O2 can be produced by the reaction 2 KClO3(s) ? 2 KCl(s) + 3 O2(g). In one experiment 0.312 g of O2 were formed. How much KCl was produced?
A) 0.484 g B) 0.797 g C) 1.19 g D) 1.79 g