Explain how the Dishpan Experiment simulates Difficulty: Global circulation
What will be an ideal response?
Answer: A pan of water rotates at a constant speed and is heated around the edge to represent the equator, and the center is cooled o duplicate the poles. This process causes waves to develop in the pan that are physically similar to those in the atmosphere. The Dishpan Experiment is capable of illustrating the following important characteristics of the Difficulty:
Global circulation: (i) unequal heating from the equator to the poles; (ii) rotation of the Earth; and (iii) turbulent nature of the atmosphere.
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The most widespread negative health impact of air pollution is the
A) destruction of the cellular components of the immune system. B) loss of the ability to absorb vital nutrients by the digestive system. C) disruption of the signaling processes of the endocrine system. D) chronic stress that weakens many systems of the body.
Lava flows ____
a. ?move so slowly that they do not present a danger to either life or property b. ?are often redirected by emergency efforts c. ?can be redirected only with long-term planning and construction d. ?move fast and are a threat to life and property e. ?move slowly enough that they are usually a threat only to property
As the Ojibwa people of Grassy Narrows found out, the symptoms of methyl mercury poisoning mimic the effects of:
a) alcohol abuse. b) cocaine addiction. c) hyperactivity. d) none of the above.
The SARE and CSP programs
A) mandate soil conservation programs in all subsidized agriculture. B) promote research in sustainable agriculture (SARE) and soil and water conservation on agricultural lands. C) are U.N. FAO programs aimed at sustainable agriculture in South America and Africa. D) are NGOs that work with Central American steeplands farmers to improve soil fertility.