Colorful rainbows are caused by the process of scattering
a. True
b. False
Indicate whether the statement is true or false
False
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Tropical climates are typically located
A) almost exclusively at high altitudes due to closer proximity to the sun. B) primarily in areas associated with cold ocean currents. C) at higher latitudes influenced by continental tropical air masses. D) at all areas of the Earth influenced by a subtropical high pressure system. E) straddling the equator between 20° N/S.
Hundreds of thousands of children under 6 years of age go blind each year because of a lack of iron.
Answer the following statement true (T) or false (F)
Unrestricted immigration to the United States was first limited by
A) hemispheric quotas in 1975. B) the start of World War II. C) the Constitution. D) the National Origins Act of 1924. E) the Quota Act of 1921.
The normal (environmental) lapse rate is constant at 10?C/1000m
Indicate whether the statement is true or false