Which of the following best defines melting point?
A) The highest temperature at which a gas changes to a liquid
B) The temperature at which a liquid changes to a gas
C) The temperature at which a solid changes to a gas
D) The temperature at which a solid changes to a liquid
D
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Which of the following locations are NOT at risk for hurricanes?
A) Florida B) Louisiana C) Texas D) California E) All of the above are at risk for Hurricanes.
Why are phytoplankton critical for marine life?
a. They are large contribution to marine food webs b. They generate massive amounts of atmospheric oxygen c. They are able to bind billions of tons of carbon into carbohydrates d. All of these choices
Which of the following is not an aerosol?
A) dust B) pollen C) sea salt D) smoke E) methane
________ are primary reservoirs of groundwater
A) Igneous rocks B) Sedimentary rocks C) Metamorphic rocks D) Sediments and sedimentary rocks