Continental red beds formed before banded iron formations
a. True
b. False
False
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Which of the following gases absorbs most of the harmful ultraviolet radiation in the stratosphere?
A. nitrous oxide B. carbon dioxide C. ozone D. chlorofluorocarbons
Autotrophs that dwell in dark caves, wells, or on the ocean floor often depend on which of the following biogeochemical processes?
A) Chemosynthesis B) Photosynthesis C) Nitrogen fixing D) Nutrient leaching
Using examples, explain how wave refraction is different from wave reflection
What will be an ideal response?
The formation of ____ begins when ultraviolet radiation (at wavelengths of about 0.31 µm and below) dissociates some of the ozone into molecular oxygen and atomic oxygen
a. water vapor b. the hydroxyl radical (OH) c. sulfur dioxide d. acid rain e. dry deposition