Atmospheric pollution is the worst when

A. coal is burned.
B. uranium undergoes fission in a nuclear reactor.
C. natural gas is burned.
D. geothermal heat is used to generate electricity.


Answer: A

Environmental & Atmospheric Sciences

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Which of the following would be the best method for obtaining a numerical age for sedimentary rocks?

A) Observe any unconformities within the area. B) Radiometrically age-date metamorphic rocks near the sedimentary rocks. C) Use radioactive isotopes in sediment grains contained within the sedimentary rock. D) Relate the sedimentary rocks to a datable igneous mass, such as a dike or sill.

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Chromium-51 decays by electron capture. What isotope is formed when 51Cr decays in this way?

A) 50Cr B) 52Cr C) 51Mn D) 51V

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Describe the number of high and low tides in a lunar day, including the period, and any inequality of diurnal, semidiurnal, and mixed tide types

What will be an ideal response?

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If thunderstorms bring repeated heavy rain to a region for days or weeks, the result can be one or more ____________________ floods

Fill in the blank with correct word.

Environmental & Atmospheric Sciences