All of the following statements concerning minerals are correct except
A. some minerals are produced by biological processes.
B. minerals are naturally occurring substances.
C. minerals are crystalline solids.
D. minerals exist as elements or compounds.
Answer: A
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In what part of Australia do most of its people live?
A) southeast B) southwest C) northwest D) northeast E) the Outback
Which of the following is not a chemical change?
A) a rock being crushed to powder B) grass growing C) grape juice turning into wine D) a loaf of bread growing mold E) wood burning to ash
The corals that proliferated in the Mesozoic oceans were scleractinians and were different than
those of the Paleozoic seas. Indicate whether the statement is true or false.
One of the most important and effective ways to reduce flooding is to ____.
A. preserve and restore wetlands B. drain wetlands C. increase groundwater withdrawals D. encourage people to build on floodplains E. clear vegetation