Author Question: How do evaporites occur? A) Evaporation turns rock to smaller fragments. B) They are extremely ... (Read 69 times)

tfester · **on:** Jul 16, 2018

How do evaporites occur?

A) Evaporation turns rock to smaller fragments.
B) They are extremely rare; the sun and moon must be aligned.
C) Volcanic rock combines with sedimentary rock.
D) Extensive evaporation allows precipitation of halite and gypsum.

Question 2

What conditions during the formation of coal may increase its quality for industrial use?

A) Very high heat and pressure are applied.
B) Clay and silt wash periodically through the swamp that formed the coal.
C) The swamp that formed the coal floods.
D) The coal is formed of mostly green plants and contains very few woody trees.