What are the areas of greatest net primary production on the map?
A. forests
B. the Arctic
C. deserts
D. oceans
E. islands
A
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Who was first to explain the mechanism by which most earthquakes are generated?
What will be an ideal response?
All dunes originate in desert conditions. Indicate whether the statement is true or false
Using the 5-year moving average lines for reference, in which of the cities does average annual temperature fluctuate the most from one year to the next or from one decade to the next?
The question is based on Figure 24-6, a chart showing average annual temperature from 1905 to 2015 in three U.S. cities: Nome, Alaska; Bozeman, Montana; and Tucson, Arizona. What will be an ideal response?
At the level of species, the ocean is much less diverse than the terrestrial environment, with only approximately ________ percent of the total known species.
A. 5 B. 25 C. 10 D. 20 E. 15