Prostaglandins ________ the sensitivity of pain neurons, which become ________ with continued stimulation.
A. increase; less sensitive
B. increase; more sensitive
C. decrease; more sensitive
D. decrease; less sensitive
Answer: B
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Which of the following occurred during the post-Soviet era of development?
A) an emphasis on oil and natural gas exports B) the creation of the Volga-Don Canal C) the completion of the BAM railroad link across Siberia D) a massive emphasis on clear-cutting of taiga forests to increase wood exports E) steel industry development
What could happen if this well is overpumped?
A) It will run out of water and become a dry well.
B) It will yield more water over time.
C) The water table will drop, causing sand to flow into the well.
D) The bottom of the lens of fresh water will rise, causing the well to draw in salt water.
Answer the following statement(s) true (T) or false (F)
1."Brain drain" refers to the migration of people from rich to poor countries. 2. A region is any piece of the earth's surface. 3. Regions are created by nature and then they endure forever. 4. It is fairly easy for one region to close itself off from interaction with other regions. 5. Globalization began in the 1900s.
The largest loss of life from a hurricane is usually due to ________
A) high winds B) intense precipitation C) low atmospheric pressure D) storm surge