When you remove a cold beverage from a refrigerator in a humid room, water vapour condenses on the sides of the container. Does this condensation act to warm or cool the beverage, or does it have no effect on the beverage's temperature?
What will be an ideal response?
Answers may vary.
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The annual number of Atlantic tropical storms and hurricanes
A) is completely random. B) appears to increase and decrease at different time scales. C) is steadily increasing. D) is steadily decreasing.
The eutrophication that has taken place in Chesapeake Bay, the Gulf of Mexico, and other locations appears to be due to ________
A) weather alone, because it is only obvious in the summer B) pesticide use along the waterways C) global warming from human use of fossil fuels D) excess nutrients from fertilizers E) heavy metals dumped in the sewage
The concave lower portion of a typical slope is called a
A) waning slope. B) pediment. C) debris slope. D) free face.
What is NOT a valid proxy measure for past climates?
A. trends in human population B. oxygen-isotope ratios C. dendrochronology D. paleoclimatology E. fossilized pollen and coral