The high price of food on the global market is closely related to
A) the increased use of fertilizers and the rising cost of fossil fuels to produce them.
B) the increased use of biological control and other sustainable agricultural methods.
C) the cost to construct and use modern forms of irrigation.
D) the cost of remediation to restore degraded soils to usable conditions.
A
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Like faults, a _____ is a separation in a rock body.
a - slump b - sill c - dike d - joint e - graben
A hanging valley forms from the eroded valley of a tributary valley glacier that met the trunk valley
glacier at an elevation high above the valley floor of the latter. What will be an ideal response?
________ is the driving force in orogenesis
A) Extension B) Convection C) Temperature D) Subduction
The "Big Bang" theory of the origin of the universe
What will be an ideal response?