What percentage of Earth's water is freshwater?
A) 3%
B) 25%
C) 50%
D) 85%
A
You might also like to view...
Matching
6. On the figure of the earth's crust, choose the letter that represents cold dense materials falling through the mantle. 7. On the figure of the earth's crust, choose the letter that represents the continental crust. 8. On the figure of the earth's crust, choose the letter that represents hot material rising through the mantle. 9. On the figure of the earth's crust, choose the letter that represents the oceanic crust. 10. On the figure of the earth's crust, choose the letter that represents the inner core.
What is the threshold mortality rate (the number of test organisms that die as a result of exposure to a potential pollutant) that determines if a pollutant is toxic or not?
Increases in atmospheric water
A) lead to a decreased ability of the atmosphere to trap terrestrial radiation. B) lead to increased cloudiness. C) definitely increase global warming. D) cause a definite cooling effect of the atmosphere. E) all of the above
Which area accounts for 80% of the world's manufacturing?
A) North America B) Europe C) W Russia and Ukraine D) parts of SE Asia: Japan, South Korea and China E) all of the above