One widely used method for desalinating water is ____.
A. activated carbon filtration
B. subsidence
C. transpiration
D. reverse osmosis
E. treadle pumping
Answer: D
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La Niña
A) always occurs simultaneously with El Niño. B) always occurs in the year after El Niño. C) lasts between 3 and 6 months. D) is caused by intensified trade winds. E) leads to warmer than normal waters in the eastern Pacific.
Who was the Aztec leader who welcomed Hernando Cortes due to the belief that his arrival fulfilled the prophecy that the god Quetzalcoatl would someday return?
a. Veracruz b. Atahualpa c. Tenochtitlan d. Chibcha e. Moctezuma
_______ ________ _______ is a movement that originated in 2011 as a protest against the epicenter of wealth and progressed into a nationwide protest
Fill in the blank(s) with correct word
Which of the following is the estimate of the total value of everything produced by a country in a particular year?
A) gross domestic product B) gross national income C) purchasing power parity D) trade deficit E) human development index