What percentage of the world's freshwater is used for agriculture?
A) 10
B) 50
C) 70
D) 40
E) 80
C
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What is the explanations for these determination?
Current Köppen climate classification symbol: Dfa
Name: Humid continental
Explanation for this determination: _______________________
Projected Köppen climate classification symbol: Cfa
Name: Humid subtropical
Explanation for this determination: _______________________
Stress is measured as ____________________ per unit area
Fill in the blank(s) with correct word
Christianity first diffused from its hearth through
A) contagious diffusion. B) hierarchical diffusion. C) relocation diffusion. D) expansion diffusion. E) All of the above
Which of the following is NOT something we can learn by determining isotopic ages?
A. the cooling history by using different types of isotopic ages B. the age when a rock is uplifted toward the surface C. the age of material from which clasts in a sedimentary rock were derived D. the age of a volcanic eruption E. We can determine all of these.