Energy absorbed at the Earth's surface is radiated back to space in the form of
A. Insolation
B. Infrared radiation (heat)
C. Microwaves
D. Visible light
E. Ultraviolet radiation
Answer: B
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Torrid, Temperate, and Frigid are classifications of ____
a. the Köppen system b. the Thornthwaite system c. Asia-specific weather systems d. the ancient Greeks
the opposite of disruptive selection. Instead of favoring individuals with extreme phenotypes, it favors the intermediate variants.
What will be an ideal response?
How much energy, in kilojoules, is released or absorbed from the reaction of one mole of nitrogen, N2, with three moles of molecular hydrogen, H2, to form two moles of ammonia, NH3? H-N (bond energy: 389 kJ/mol)H-H (bond energy: 436 kJ/mol)N N (bond energy: 946 kJ/mol) N
N + H-H + H-H ? NH3 + NH3
A. ?80 kJ/mol released B. +80 kJ/mol absorbed C. +899 kJ/mol absorbed D. ?993 kJ/mol released
The African region has a wealth of inland waterways, but frequent changes in elevation and escarpments make them difficult for transportation. However, they are especially attractive for
a. hydroelectric power. b. large urban areas. c. oil and gas exploration. d. casino and gaming facilities. e. heavy manufacturing.