On a sunny day in winter when there is a large snowpack on the ground you notice it appears brighter outside than on a sunny day when there is no snow on the ground. What best explains this scenario?
A. Snow has a higher albedo than bare ground and reflects more solar radiation.
B. The sun emits more solar radiation in the winter months.
C. Snow emits more infrared radiation than bare ground.
D. The sun emits more ultraviolet radiation in the winter months.
Answer: A
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A ban on elephant poaching was removed in the late 1990s to
A) to supply ivory to the large Chinese market. B) to cull elephant herds which had grown too large C) allow local ranchers to protect their cattle herds. D) to allow some African states to sell down their inventories of ivory. E) provide needed monetary resources for developing economies in the region.
What is its elevation?
Perform a web search to determine the highest point in your state. Then, use the map to determine its elevation in meters.
Mutations in sex cells can be induced by ultraviolet radiation or extreme temperature changes
a. True b. False
The ________ drives the move to the suburbs from cities
A) availability of more jobs in suburbs B) desire to live in less stressful, more peaceful park-like conditions C) desire to have a garden D) desire for close-knit communities E) concern over demographic transitions