Why does manganese, when added to calcite, cause the mineral to turn a deep red?
A) The presence of trace constituents can affect color.
B) Manganese overpowers the calcium in calcite.
C) Manganese is formed under extremely hot conditions.
D) Manganese is red and calcium is white, making red.
Answer: A
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On an annual basis as latitude increases, insolation decreases
Indicate whether the statement is true or false