Laurentia and Baltica collided to form Laurasia during the Late Paleozoic
a. True
b. False
True
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Which statement is not true of the relationship between latitude and ocean characteristics?
a. The temperature in temperate waters is considered to be the most variable. b. Tropical waters are the only regions in which evaporation exceeds precipitation. c. Temperate waters have the largest variation in salinity. d. The polar waters have the lowest average salinity due to the melting of ice.
Based on temperature, the atmosphere is divided into
A) nitrogen, oxygen, argon. B) two functional areas that absorb radiation from the Sun. C) four regions: ranging from the troposphere to the thermosphere. D) two broad regions.
The Ivory-Billed Woodpecker, long thought extinct, may have been found in deep woods of Missouri. Even though a few individuals may have survived, this may not be enough to avoid extinction of this species
What else must these few birds do to ensure the survival of the species? A) Defend a territory against other bird species and predators B) Maintain a viable breeding colony in the face of environmental resistance factors C) Shift to a new source of food widely available in their region D) Migrate to a better habitat that is more protected from people
Which geologic time principle states that older geologic units are below younger geologic units?
A. Principle of cross cutting relations B. Principle of original horizontality C. Principle of superposition