The primary reasons agricultural productivity increased during the Green Revolution was been a combination of fertilizers, crop breeding, pest control, and ________
A) genetically modified organisms
B) less overgrazing
C) increased rainfall
D) irrigation improvements
E) organic farming techniques
D
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What does a Benioff-Wadati zone refer to?
a. an area of extensional stress b. a subduction zone c. a transform plate boundary d. an area of high heat flow e. an area lacking deep earthquakes
Crystal settling involves gravitational settling of melted minerals
Indicate whether the statement is true or false
Relative to the five fundamental themes of geography, communication and diffusion refer to
A) location. B) place. C) human-Earth relationships. D) movement. E) regions.
Which of the following circulation patterns is characteristic of a cyclone in the Northern Hemisphere?
A. dry air flowing from Siberian high B. moist air flowing toward Siberian high C. dry air flowing from the Tibetan low D. moist air flowing toward Tibetan low