Which of the following statements regarding coal is NOT true?
A. forms in swamp-like conditions
B. requires increases in temperature and pressure to transform organic matter into coal
C. originates from decaying plant material
D. carbon content decreases as depth of burial increases
E. is found in sedimentary rock sequences
Answer: D
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Fill in the blank(s) with the appropriate word(s).
What is the name for the following polyatomic ion?PO4-3
A. potassium B. phosphorus oxide C. trioxo phosphoride D. phosphate E. phosphinate
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Indicate whether the statement is true or false