The amount of energy available to do work is called
A. activation energy
B. free energy
C. kinetic energy
D. potential energy
B. free energy
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Similar to the tundra, but without a permanent ice layer, this biome is characterized by low and slow-growing plants with little protection from UV radiation
A. taiga B. alpine C. chaparral D. deciduous forest E. rain forest
Antiviral drugs are frequently used for the treatment of infectious mononucleosis.
Answer the following statement true (T) or false (F)
Undigested material flows from the ascending colon directly into the:a
transverse colon. b. duodenum. c. cecum. d. rectum. e. descending colon.
Biomes are broad regional areas with defined flora and fauna. Which one of the following choices correctly identifies the biomes shown plotted in the graph of precipitation versus temperature? 
A. Tropical Rain forest = 3; Desert = 4; Tundra = 1; Grassland = 2 B. Tropical Rain forest = 1; Desert = 3; Tundra = 4; Grassland = 2 C. Tropical Rain forest = 1; Desert = 2; Tundra = 3; Grassland = 4 D. Tropical Rain forest = 3; Desert = 1; Tundra = 2; Grassland = 3