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Questions in geography

[Free] Air pollution affects everyone equally. True or false?

[Free] Pollution is the only way that humans can cause changes to ecosystems. True or False?

[Free] The following are the four largest countries in the world: Russia, Canada, China, and the United States. What country located in South America also ranks as one of the ten largest?

[Free] Does the equator cross the northern or southern part of South America? South America is located mostly in which two hemispheres?

[Free] How and where have oil, road development, mining, dams, and agriculture contributed to local economic, political, and land use issues?

[Free] The vertical sequence of the layers of soil is called a soil profile.

[Free] Over time, stalactites get bigger and grow. Does this mean that stalactites are alive? Explain.

[Free] Glaciers pick up large rocks and carry them away. This is called _____.

[Free] Energy from hot magma is called ____.

[Free] Nearly 50% of water sources in the United States are believed to be polluted. True or false?