Worldwide, desertification is affecting an estimated ________ people

A) 100,000
B) 1,000,000
C) 5,000,000
D) 1,000,000,000


D

Environmental & Atmospheric Sciences

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Tides can have a wavelength equal to half of the Earth's circumference. Indicate whether the statement is true or false

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Groundwater represents the largest potential freshwater source on Earth

Indicate whether the statement is true or false

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What are the lines of evidence that Alfred Wegener used to support the idea of continental drift? Why did scientists of his day doubt that continents drifted?

What will be an ideal response?

Environmental & Atmospheric Sciences

Which resource is nonrenewable?

A. Geothermal energy B. Solar energy C. Freshwater D. Copper E. trees

Environmental & Atmospheric Sciences