If, in an inverse estuary, the inflow of seawater of 35-percent salinity is 21 units per year and the outflow is 18 units per year, the salinity of outflowing water is ________.
A. 35 percent
B. 41 percent
C. 30 percent
D. 38 percent
E. 65 percent
Answer: B
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Improved farm equipment and technology introduced during the Industrial Revolution resulted in fewer farm workers needed in rural areas and a major rural-to-urban shift in the population.
a. true b. false
Which country, noted for a great revolution, is touted for being the country in which nationalism began?
A. Germany B. Italy C. France D. Poland
Evaluate the following statement. "Human activities contributing to global warming could cause the oceans to switch to ice-age mode."
A) This statement is true. B) This statement is false. Changes in human behavior will alleviate any global warming trends. C) This statement is false. Ice ages only begin when Earth is a certain distance from the Sun. D) This statement is partially true. Global warming may cause a change in the oceans, but it is a natural process that is unrelated to human activity.
This is a colorless, corrosive gas that originates from burning coal and oil: ________
Fill in the blank(s) with correct word