Which of the following is one of the most common factors contributing to cultural eutrophication of lakes near large cities?

A) Runoff from parking lots
B) Sewage-treatment effluent
C) Using lake water for cooling coal-fired power plants
D) The use of gasoline engines on boats


B

Environmental & Atmospheric Sciences

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About ____________________ % of the electricity used in the United States is produced by burning coal

Fill in the blanks with correct word

Environmental & Atmospheric Sciences

Alfred Wegener noticed that mountains differed in age, composition, and structure on both sides of the Atlantic, which supported his theory of continental drift.?

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

If both fields had the same amount of grasshoppers at the start of the experiment, how many times more grasshoppers were in the west field than the east field after 10 weeks?

A) Twice as many B) Half as many C) Four times more D) Cannot be determined

Environmental & Atmospheric Sciences

Hot mantle rock rising slowly by convection under parts of the ocean explains ________.

A. the location of earthquakes B. underwater volcanoes C. the thickness of the continents D. the unexpectedly high heat flow under the oceans E. mid-oceanic ridges

Environmental & Atmospheric Sciences