Without greenhouse gases, earth's temperature would be
A. 0°C.
B. 15°C.
C. 68°C.
D. -18°C.
Answer: D
You might also like to view...
Groundwater provides the second to the largest reservoir of fresh water available to humans, since the surface water in rivers is the largest reservoir of fresh water.
a. true b. false
The upper part of a beach landward of the high tide line is the ________.
A. spit B. berm C. surf zone D. marine terrace E. beach face
With respect to chemical pest controls, integrated pest management (IPM) uses
A. The maximum amount as determined by organic standards B. The minimum amount necessary as a last resort C. None D. Broad-spectrum products E. The maximum amount as determined by economic thresholds
Who proposed the concept of continental drift—a precursor to plate tectonics?
a. James Hutton b. William Smith c. Charles Darwin d. Abraham Werner e. Alfred Wegener