By the beginning of the Paleozoic Era, six of the seven continents were present

a. True
b. False


True

Environmental & Atmospheric Sciences

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When you speak, exactly what moves across the room at 340 m/s?

A. The air. B. Empty spaces in the air. C. Wave motion through the air. D. Molecules in the air.

Environmental & Atmospheric Sciences

Viruses

A. do not evolve. B. are not affected by antibiotics. C. are not transmitted in body fluids or air. D. cause malaria. E. are a result of multidrug resistant TB.

Environmental & Atmospheric Sciences

Which of the following terms refers to the outpouring of gases from the Earth's hot interior?

A. dissolution B. eruption C. outgassing D. evaporation

Environmental & Atmospheric Sciences

The intellectual roots of environmental determinism can be traced back to the ancient Romans, who speculated that human diversity resulted from both climatic and locational factors.

a. true b. false

Environmental & Atmospheric Sciences