Which of the following an example of an equilibrium situation?
A) an unsaturated solution
B) a saturated solution
C) a supersaturated solution
D) all of the above
B
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You are installing solar collectors on the roof of your home to reduce your use of propane gas, which you use to heat both your hot water tank and the living spaces in your home. In doing so, you are using a(n) ____ resource rather than a(n) ____ resource.
A. renewable; nonrenewable B. inexhaustible; renewable C. renewable; inexhaustible D. nonrenewable; renewable E. inexhaustible; nonrenewable
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.
Which of the following do plants need to live?
A. oxygen B. carbon dioxide C. water D. All of these are correct.
Pelagic clays contain lots of material that settles to the seafloor through the water column and are ________
A) less than 30% biogenous material B) more than 30% biogenous material C) more than 30% hydrogenous material D) less than 30% neritic material E) more than 30% neritic material