The major factor in glacial periods lasting tens of millions of years appear to be changes in the Sun's heat output, rather than changes in shapes, sizes, and orientations of the continents and oceans.
Answer the following statement true (T) or false (F)
False
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A 300-W electric heater is used in a 110-V circuit. The safety fuse in the circuit can accommodate 15 A of current. How many heaters can be safely operated in the circuit?
A. 5 B. 4 C. 3 D. 2
This globe from the atmospheric moisture investigation shows precipitation, with higher amounts in green and blue. Which of the following regions has the highest average amount of precipitation?
A) The northern part
B) Along the equator
C) Along the entire east coast of the continent
D) Along the entire west coast of the continent
What is the underlying geologic explanation for why western South America is so different from eastern South America?
A. The western side marks a plate divergence and the eastern side marks a plate convergence. B. The western side is a plate boundary and the eastern side is not. C. The eastern side is a plate boundary and the western side is not.
Which country gained independence after the Mau-Mau rebellion?
A) South Africa B) Kenya C) Central African Republic D) Ghana E) Mozambique