One of the processes of diffusion that is clearly documented is ________.

A. the moldboard plow
B. smoking of tobacco
C. gunpowder
D. printing


Answer: B

Environmental & Atmospheric Sciences

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Which country has the second largest number of people?

A. USA B. China C. India D. Russia E. Indonesia

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Explain the creation of westerly winds in the upper atmosphere at mid-latitudes and account for seasonal variations in their strength

What will be an ideal response?

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How does water dissolve sodium chloride (NaCl)?

A) ?Water molecules neutralize sodium ions (Na+) and chloride ions (Cl-). B) ?The polarity of water causes the sodium ion (Na+) to separate from the chloride ion (Cl-). C) ?When seawater evaporates, its ionic components combine to dissolve table salt. D) ?Water molecules expand causing sodium ions (Na+) and chloride ions (Cl-) to decompose.

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One would expect a cP air mass to be:

a. cold and dry. b. cold and moist. c. warm and dry. d. warm and moist.

Environmental & Atmospheric Sciences