What are the three tendencies of supply, demand, and prices of U.S. agriculture over the past 100 years?
A) moderately increased supply; moderately increased demand; stable prices
B) drastically increased supply; moderately increased demand; falling prices
C) drastically increased supply; dramatically increased demand; stable prices
D) stable supply; moderately increased demand; falling prices
E) moderately increased supply; dramatically increased demand; rising prices
B
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Life-cycle analysis ________
A) defines how different organisms interact within ecosystems B) is an environmental movement designed to reduce municipal traffic and encourage alternative forms of transport C) examines the life of a product to increase efficiency D) is the study of statistical changes in the human population E) examines the cycling of carbon in the environment
How does a volcanic neck form? What happens to the rest of the volcano that originally surrounded it?
What will be an ideal response?
Which of the following is a cause of natural climate change?
A) glacial melting B) sea levels increasing C) tornadoes D) volcanic eruptions E) forest fires
What is the impermeable rock mass that lies above oil-bearing strata called?
a. sandstone b. reservoir rock c. source rock d. cap rock e. aquifer