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
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Which country has the second largest number of people?
A. USA B. China C. India D. Russia E. Indonesia
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?
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.
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.