Once released, how long do chlorofluorocarbons remain in the atmosphere?

A. about 1 month
B. about 100 years
C. about 10 days
D. about 1 year


Answer: B

Environmental & Atmospheric Sciences

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The water molecule is a polar molecule which means that ________.

A. it has a slightly negative and a slightly positive side B. it has extremely high viscosity C. it forms a crystal lattice while still a liquid D. it is spherical E. it has low heat capacity

Environmental & Atmospheric Sciences

What is meant by demographic transition?

A. Populations decrease as food production is diminished. B. Populations decrease when death rates exceed birth rates. C. Populations stabilize when birth and death rates are equal. D. Populations increase when birth rates exceed death rates.

Environmental & Atmospheric Sciences

In the figure of an ecosystem, choose which of the components are categorized as biotic

What will be an ideal response

Environmental & Atmospheric Sciences

The angle of _______________ is the steepest angle at which a slope will remain stable

Fill in the blank with correct word.

Environmental & Atmospheric Sciences