<span>Much of the commercially important waterways of the United States consist of the Mississippi River System—the Mississippi River and connecting waterways. .... States on the Gulf Coast and throughout the Midwest and Ohio Valley ...</span>
Answer:
A supernova results in a massive explosion of a star.
Answer: higher; increase .
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</span><span>Snow is white, and thus has a <u> higher </u><u /> albedo than bare ground. if global warming decreases snow cover, the resulting change in albedo is likely to <u> increase </u><u /> further warming.
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