Most ecologists believe that the average global carrying capacity for the human population is between
A) 5 and 6 billion.
B) 6 and 8 billion.
C) 10 and 15 billion.
D) 15 and 20 billion.
E) 20 and 25 billion.
Ans: C) 10 and 15 billion.
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What will be an ideal response?Humus includes all of the following EXCEPT
a. feces. b. dead organisms. c. leaf litter. d. weathered rock. e. decomposing organic matter.
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A) vas deferens B) rete testes C) seminiferous tubules D) ureter
Coronaviruses cause gastrointestinal disease
Indicate whether the statement is true or false