Productivity in tropical oceans is generally ________
A) light-limited
B) nutrient-limited
C) oxygen-limited
D) light- and nutrient-limited
E) nutrient- and oxygen-limited
B
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Public housing is
A) a conversion of low-income housing to middle-class housing. B) illegally established low-income housing. C) housing that has changed from single-family owner occupancy to abandonment. D) low-income government-owned housing. E) buildings housing public services, such as government agencies.
In the diagram below, horizonation has begun in which image?
A) 1
B) 2
C) 3
D) 4
The federal program designed to attack the problem of poverty in Southern Appalachia in 1933 is the ______________________.
Fill in the blank(s) with the appropriate word(s).
The ratio of reserves to annual production (R/P) is an indication of:
A) how much oil each OPEC country is allowed to produce B) how much energy countries are allowed to hold in reserve C) the price/barrel as determined by the total output around the world D) the number of years the known reserves will last E) the effect of non-OPEC countries on total world production