Agriculture production may possibly move northward in latitude due to increased warming. However, agriculture will only be successful if ________
A) appropriate farming technology is available
B) pesticides are acceptable for use
C) polyculture techniques are available
D) appropriate soils are found at these latitudes
E) climate change eventually reverts its current trends
D
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Criticisms of the rational cost-benefit analysis model of determining policy include concerns that
A. many conflicting needs cannot be validly compared. B. it is difficult for scientific data to be brought into play. C. costs of implementing policies determined in this manner would typically be higher than produced by other models.
Which of the following is not a trigger for a mass movement?
A) rain and heavy snowfall B) volcanic eruptions C) strong winds D) earthquakes
Productivity in tropical oceans is limited by nutrient availability.
Answer the following statement true (T) or false (F)
Carbohydrates account for approximately what percentage of the dry weight of plants?
A) 10% B) 25% C) 50% D) 75%