Sedimentary rocks may contain evidence of past environments, including information about sediment transport and the depositional environment.
a. true
b. false
Answer: a. true
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What has been the trend in human evolution since the appearance of the Cro-Magnons?
a. Several small subspecies have appeared, acclimated to mini-environments. b. Evolution has proceeded slower than usual. c. Peripheral speciation has resulted in the emergence of the Neanderthals. d. Evolution has become cultural rather than biological. e. Size of organisms has steadily decreased
The second letter of Koeppen climate subtype presents information about ________
Fill in the blank(s) with the appropriate word(s).
Sea breezes
A) occur because warmer air is denser and settles to the surface of the land.
B) tend to cause higher temperatures on land as winds blow towards the sea.
C) result from water heating and cooling faster than land surfaces.
D) form because of higher pressure over the land than the sea.
E) involve onshore (toward the land) air flows that often develop in the afternoon.
Dew PointFor the following questions refer to the temperature and dew point data in the following cities: CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106A humidex reading over which of the following values is considered dangerous?
A. 30 B. 40 C. 46 D. 54