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Correct Answer: C) Dark exposed soil.
Correct Answer: A) Water.
Correct Answer: A) Infrastructure.
Correct Answer: D) Cellular respiration.
Correct Answer: D) For heating and cooking.
Correct Answer: A) Population.
Correct Answer: C) Cell phone.
Correct Answer: D) All of the above.
Correct Answer: D) Rural.
Correct Answer: B) Atmosphere.
Correct Answer: D) Wetlands, mountains, and deserts.
Correct Answer: D) Ozone.
Correct Answer: A) Cause-and-effect.
Correct Answer: D) Worldview.
Correct Answer: C) Producers.
Correct Answer: D) Decomposing.
Correct Answer: D) Egypt.
Correct Answer: D) World Trade Organization (WTO).
Correct Answer: A) Hydrosphere.
Correct Answer: B) Likely to be very inexpensive.
Correct Answer: C) Tundra.
Correct Answer: A) Magma.
Correct Answer: D) The sun.
Correct Answer: A) Producers.
Correct Answer: B) Urbanization.