The United Nations currently predicts that Earth will be home to almost ________ billion people by the year 2050
A) 11 B) 10 C) 9 D) 7 E) 5
Answer: B
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Moving poleward, vegetation in the tundra biome grades from
A) lichens to stunted trees to grasses. B) grasses to stunted trees to lichens. C) stunted trees to lichens to grasses. D) stunted trees to grasses to lichens.
What causes ocean waves to form?
a. Energy from the wavelength b. Energy from the disturbing force c. Energy from the restoring force d. Energy from the Stokes drift
In the beginning of a rain storm you might experience large, heavy raindrops. Explain why these occur first, and where they originated
What will be an ideal response?
What type of rocks yield the best age determinations from isotopic dating?
A. Metamorphic rocks B. Plutonic igneous rocks C. Sedimentary rocks D. Volcanic igneous rocks