Globalization via the Internet and social media has been most effective addressing which of the following problems?
A) The dispersion of exotic species to new locations in the world
B) The spread of infectious organisms
C) The challenges of producing and distributing enough food for the people of the world
D) Global climate change
C
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What two economic sectors are the largest global greenhouse gas emitters?
A. (1) Agriculture, forestry, and other land use plus (2) electricity and heat production B. (1) Transportation plus (2) electricity and heat production C. (1) Electricity and (2) heat production and buildings D. (1) Industry plus (2) electricity and heat production
Large-scale migration occurred in South Asia after 1947 primarily because of the
A) boat people. B) communist victory. C) failure of the monsoon rains. D) separation of religious groups. E) new mobility provided by railway construction.
Most of the agriculture in the American Midwest takes place in a ____ climate
a. Mediterranean b. subarctic c. tundra d. humid continental, hot summer e. tropical savanna
Lidar is based on actively sending ________ from a device in order to precisely measure the Earth's surface
A) radar B) ultrasound C) infrared energy D) ultraviolet energy E) light