Which of the following is an example of a colloid in which a gas is dispersed in a liquid?

A) butter
B) marshmallows
C) mayonnaise
D) whipped cream


D

Environmental & Atmospheric Sciences

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Drops of water that drip from a leaky faucet become

A. farther apart as they fall. B. closer together as they fall. C. a fixed distance apart as they fall. D. none of the above

Environmental & Atmospheric Sciences

Using the data in this table, determine the age of the dike.



A) 500
B) 1,000
C) 40,000,000
D) 500,000,000
E) 1,000,000,000

Environmental & Atmospheric Sciences

Plankton and nekton are different because ____

a. plankton are pelagic b. plankton are benthic c. plankton float d. nekton float e. nekton are benthic

Environmental & Atmospheric Sciences

A polar ice cap climate requires the presence of ice

A) during at least two months of the year. B) during half of the year. C) during no more than three-quarters of the year. D) during the entire year.

Environmental & Atmospheric Sciences