The Viking colony in Greenland perished during the ____
a. Pleistocene epoch
b. climatic optimum
c. Little Ice Age
d. Younger Dryas
e. Bölling-Alleröd period
ANSWER: c
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Solar radiation makes several other energy sources possible, including ________
A) nuclear energy B) hydrothermal energy C) wind energy D) tidal energy E) geothermal energy
Rapidly growing countries have an age structure diagram that ____.
A. forms an inverted pyramid B. has a broad-based pyramid C. shows little variation in population by age D. has a small pre-reproductive population E. has a large post reproductive population
The ____________________ of air in a rigid container is the same everywhere in the universe
Fill in the blank with correct word.
The climate of the tropical rain forest biome is best described as
A) consistently warm and wet. B) consistently warm, but seasonally dry. C) having a distinct cold and warm season. D) mild winter with a very hot summer.