Phytoremediation is:
A. A style of land use planning in agriculture
B. Use of plants to increase agricultural production
C. Use of specialized plants to clean up the environment
D. A method crop rotation
Answer: C
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About 50% of laborers migrating from Tajikistan have gone to the city of:
A) New York B) Tehran C) Moscow D) Paris
Central Afghanistan is dominated by mountainous areas with limited vegetation except in narrow river valleys and:
A) desert area with limited vegetation B) dry farming and seminomadic herding areas C) forests D) monsoon rain-fed Mediterranean scrub
Which of the following matches is INCORRECT relative to air circulation?
A) Anticyclone = clockwise circulation in the Southern Hemisphere B) Anticyclone = high pressure center C) Cyclone = counterclockwise in the Northern Hemisphere D) Cyclone = low pressure center
What are the overall percentages of the labor force that are engaged in agriculture in developed countries and developing countries, respectively?
A) 10%; 80% B) 5%; 60% C) 2%; 90% D) 15%; 50% E) 9%; 89%