Why is the sky blue?
A. Light is absorbed in the atmosphere.
B. Light is reflected from the atmosphere.
C. Light is scattered in the atmosphere.
Answer: C
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One of the lessons of U.S. population and housing expansion after World War II was that the building of single-family homes is an efficient way of housing a population
Indicate whether the statement is true or false.
A glacier covering at least 50,000 km2 and unconfined by topography is classified as a(n) ____
a. ice cap b. continental glacier c. moraine d. cirque e. valley glacier
Explain how the Dishpan Experiment simulates Difficulty: Global circulation
What will be an ideal response?
Which of the following groups is most likely to disrupt local ecosystems as they search for natural resources and manufacturing sites?
A) governments B) transnational firms C) indigenous ethnic groups D) international organizations, such as the United Nations E) non-governmental organizations, such as Greenpeace