Drylines may be detected by Doppler radar when insects and insect-eating birds congregate along it. On the radar screen, the echo from insects and birds shows up as a thin line, called a fine line
a. True
b. False
ANSWER: True
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The value of currency compared with that of another country is called the ________ ________
Fill in the blank(s) with correct word
According to many experts, which of these options would be most successful at slowing population growth in less-developed countries?
A. Empowering women with education and opportunity to start businesses B. Appointing younger men as tribal leaders C. Allowing foreign agencies to provide child care D. Allowing girls to skip school so they can contribute more to their families
________ describes the surface of a basalt flow with a jagged, rubble surface.
A. Aa B. Pahoehoe C. Haleakala D. Poy E. Pele's hair
Advection fog is often observed along the Pacific coast during summer as westerly winds carry moist air toward the shore. Which of the following describes why this fog forms?
A. The surface water near the coast is slightly colder than the surface water farther offshore. B. The surface water near the coast is slightly warmer than the surface water farther offshore. C. The surface water near the coast is much warmer than the surface water farther offshore. D. The surface water near the coast is much colder than the surface water farther offshore.