Greenland currently has the world's largest ice sheet

a. True
b. False
Indicate whether the statement is true or false


False

Environmental & Atmospheric Sciences

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The electrons flow in a wire is due to

A. a potential difference across its ends. B. a difference in potential energy across its ends. C. an imbalance of charges in the wire. D. none of the above

Environmental & Atmospheric Sciences

Lakes lying in granite basins, such as those in the northeastern U.S., tend to become acidified by acid rain more readily than lakes lying in limestone basins, such as those found in the midwestern U.S. Why is this so?

A) The granite contains acidic minerals that dissolve in the rain water and are added to the lakes. B) Since the acidified water cannot percolate through the granite, the acid in the lakes becomes more concentrated. C) The limestone, which is calcium carbonate, serves to neutralize the acid in the rain. D) There is more acid rain in the northeast than in the midwestern regions of the U.S.

Environmental & Atmospheric Sciences

The albedo, or reflectivity, increases (from lowest to highest) in which sequence?

A. asphalt; grassland; ocean; snow B. ocean; asphalt; grassland; snow C. asphalt; ocean; grassland; snow D. ocean; grassland; snow; asphalt E. snow; grassland; ocean; asphalt

Environmental & Atmospheric Sciences

The acquired immune cells that target pathogens in bodily fluids are

A. antigens. B. B cells. C. T cells. D. antibodies.

Environmental & Atmospheric Sciences