Filtration and distillation are ____ methods for detoxifying hazardous waste.

A. physical
B. chemical
C. biological
D. natural
E. inexpensive


Answer: A

Environmental & Atmospheric Sciences

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Compared with the photons of light that shine on glass, the photons that emerge are

A. of lowered energy. B. different though identical. C. a mixture of being the same and identical. D. the same photons.

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Describe four different types of weather forecasting methods and give an example of each

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Lake-effect snow occurs only during the early spring

Indicate whether the statement is true or false

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The howling of wind on a blustery night is believed to be caused by

a. variations in air temperature. b. winds blowing around a frozen surface. c. snowflakes striking one another but not sticking together. d. air flowing past obstructions. e. wind lifting, then lowering small objects at the surface.

Environmental & Atmospheric Sciences