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Sandstone and limestone are examples of ____________________ rock.
Q42: A disadvantage of using hydrogen as a
Q42: What happens to 29% of the carbon
Q45: What is released by an erupting volcano? <br>A) oil <br>B) carbon
Q53: Which of the following will contribute to
Q55: The _ can be weakened by chemicals
Q59: Which statement best describes hydroelectric power? <br>A) It has
Q62: Why are high-strength plastics and composite materials
Q73: How does natural gas compare to coal? <br>A) Natural
Q88: Which statement characterizes petrochemicals? <br>A) They are impurities that
Q89: The cost of synfuels is presently too