True or False: Earth was once much, much hotter than it is today?
Indicate whether this statement is true or false.
Answer: TRUE
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The phrase "rain shadow" is associated with which type of precipitation?
a. convectional b. orographic c. cyclonic d. frontal e. Bergeron
Permeability refers to the soil's capacity to store water
a. True b. False Indicate whether the statement is true or false
In the Rocky Mountain region of the United States, north-facing slopes (downhill direction is toward the north) are typically moister and more heavily forested than south-facing slopes. Why?
A) South-facing slopes receive more moisture and sunlight; rock weathering is slower. B) North-facing slopes receive more sunlight in the summer; snow melts faster and more soil moisture is available for the trees. C) North-facing slopes receive about the same amount of precipitation as south-facing slopes; less moisture evaporates from north-facing slopes. D) South-facing slopes receive less moisture, yet rock weathering is faster.
When liquid water gets below 4°C, it ____
A) ?forms a gas by breaking all of its hydrogen bonds B) ?behaves like all other liquids and increases in density C) ?begins to decrease in density by expanding D) ?compresses its molecular structure and becomes more saline