Describe the seasonal change in Earth's global circulation that produces the Asian monsoon
What will be an ideal response?
During the winter, the ITCZ is far to the south of Asia and the area is dominated by the prevailing NE tradewinds. These winds usher dry air from the interior of the continent into India and SE Asia, producing generally dry conditions. In the summer, as the ITCZ migrates north following the solar declination, the prevailing winds become southerly and carry moisture from the Indian Ocean into India and SE Asia. This moisture feeds into the ITCZ and creates plentiful rainfall, leading to a rainy summer season. In India, this effect is enhanced by the presence of the Himalayas, which add orographic lift and further increase precipitation.
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At their maximum extent, how much land did glaciers cover?
a. 10% b. 20% c. 30% d. 50% e. 75%
What is the most visible manifestation of eutrophication?
a. Hypoxia b. Decomposition c. Nitrogen fixation d. Plankton bloom
Name three such gases that are currently increasing in concentration in Earth's atmosphere
What will be an ideal response?
You are hired by a pesticide company to determine whether its new pesticide ("Zap-em") is effective at controlling soybean aphids, an invasive species that costs American farmers millions of dollars a year in crop damage and control costs
Describe an experiment you would perform to test the effectiveness of Zap-em.