Which of the following types of chemicals is most likely to cause a mutation?
A) a strong acid
B) a strong base
C) a strong oxidizing agent
D) None, they are all equally likely to cause a mutation.
C
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Beneath an intense thunderstorm, the downdraft may become localized so that it hits the ground and spreads horizontally in a radial burst of wind. This is called a(n) ____
A) dry line B) outflow boundary C) squall line D) downburst
A region of the United States with a high concentration of karst lakes is located in ____
a. Hawaii b. Nevada c. Florida d. North Dakota
Passive margins are usually produced over geologic time by which of the following?
A) Continental rifting and continued sea floor spreading B) Hot spot volcanism forming a chain of islands and seamounts C) Subduction of oceanic crust and submarine volcanic activity D) The closing of an ancient sea to form a salt rich lake E) Transform faulting along a continental margin or a mid-ocean ridge
Which biome has the greatest biological diversity?
A) tropical rain forest B) temperate deciduous forest C) oceans D) grassland E) deserts