Unit 02 Review Questions

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. Why is Earth shaped like an ellipsoid?

Changes in rock composition that vary with latitude correct incorrect

Gravitational pull from the Sun correct incorrect

Centrifugal force from the planet's spin correct incorrect

Differential pressures in the Earth's molten mantle correct incorrect

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. Which one of the Earth's spheres extends the farthest above the planet's surface?

Hydrosphere correct incorrect

Lithosphere correct incorrect

Biosphere correct incorrect

Atmosphere correct incorrect

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. The largest ocean is the:

Pacific Ocean correct incorrect

Atlantic Ocean correct incorrect

Indian Ocean correct incorrect

Arctic Ocean correct incorrect

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. Land covers about __ percent of the Earth's surface.

29 correct incorrect

41 correct incorrect

52 correct incorrect

70 correct incorrect

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. The three main clusters of human population are located in:

North America, Europe, and East Asia correct incorrect

East Asia, South Asia, and Europe correct incorrect

North America, South Asia, and West Asia correct incorrect

South Asia, South America, and North America correct incorrect

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. The shallow and gently sloping portion of the ocean basin that lies directly adjacent to a continent is termed a:

continental margin correct incorrect

continental slope correct incorrect

continental shelf correct incorrect

continental rise correct incorrect