Which biome has been degraded the most by humans?
A) desert
B) temperate grasslands
C) tropical rain forest
D) savannas
E) tundra
Answer: B
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Growth and development by mitosis results in progeny that are genetically identical to the parent cell
a. True
b. FalseThe idea of an emerging, homogenous global culture is based on the perception of a pervasive
A) Americanization. B) Wal-Maritization. C) materialism. D) cultural nationalism. E) hybridization.
Which of the following best represents the sequence by which a continent splits apart?
A. continental rifting, then seafloor spreading, then uplift due to mantle upwelling B. uplift due to mantle upwelling, then continental rifting, then seafloor spreading C. seafloor spreading, then continental rifting, then uplift due to mantle upwelling D. None of these.
What role do fungi play in the formation of fertile soil?
A) They are a source of minerals. B) They carry out chemical reactions that convert carbon dioxide to nitrogen. C) They decompose organic material into compounds plants can use. D) They add air to soil.