What causes a geostrophic wind and what are the important characteristics of geostrophic wind?
What will be an ideal response?
Answer: The geostrophic wind occurs when the pressure gradient force equals the Coriolis force. Geostrophic flow occurs only in the upper atmosphere where friction is absent and only the Coriolis and pressure gradient forces apply. Geostrophic flow is stable, meaning that once established, it is not easily disrupted.
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Which of the following gives the name for electromagnetic radiation that has wavelengths between 0.4 and 0.7 micrometres?
A. visible light B. infrared light C. microwaves D. ultraviolet light
The "Classical" civilization in the Americas was the
A. Cherokee B. Cahokia C. Mayan D. Patagonian
The heart of Japan in terms of population and economic activity is
A. Kinki B. Kansai C. Kanto D. Tohuko
Deciding to use a natural enemies approach to control the mites that infect her crops, a farmer purchases 10,000 ladybugs in the spring and spreads them over her 100 acre fields. This represents the use of natural
A) predators. B) parasitoids. C) pathogens. D) plant-eaters.