The lower atmosphere is a homogeneous mixture of gasses with nitrogen and oxygen being the most
abundant. Indicate whether the statement is true or false.
ANS: T
For the most part, the lower atmosphere is homogeneous. There are additional elements and
compounds present in the atmosphere, but they only comprise 1% of the composition. Information can
be found in the section The Atmosphere Is Composed Mainly of Nitrogen, Oxygen, and Water Vapor
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Howler monkeys are examples of New World monkeys. Indicate whether the statement is true or false
In summer, humid regions typically have smaller daily temperature ranges and lower maximum
temperatures than drier regions. Indicate whether the statement is true or false.
According the continental drift hypothesis, continents had once been joined together to form a single huge supercontinent called:
a. Rodinia b. Pannotia c. Pangaea d. Caledonian
Explain why metamorphic rocks, which require high temperature, pressure, or both to form, are commonly exposed at Earth's surface
What will be an ideal response?