Productivity in the tropics is:
a. high, due to abundant sunshine, warm temperatures, and clear waters
b. low, due to a lack of nutrients.
c. average, due to abundant sunshine and clear waters.
d. average, due to warm temperatures.
b
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Figure 22.9
Why do raw materials brought to cities require a great amount of resources in order to be converted to a final product?
What will be an ideal response?
The forest that grows in regions that receive little precipitation and have short summers with cool to warm temperatures is the ____.
A. boreal forest B. temperate deciduous forest C. tropical rain forest D. temperate grassland E. temperate rain forest
Scientists understand with certainty how clouds are electrified
a. True b. False
If ground water is contaminated with petroleum products, pumping from a level close to the water table may selectively extract much of the pollution.
Answer the following statement true (T) or false (F)