Artificial wetlands ________
A) are created using xeriscaping methods
B) are the major program for replacing lost natural wetlands
C) can help purify water and also provide recreational opportunities
D) purify water for use as bottled drinking water
E) are a source of arsenic contamination in Bangladesh
C
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Attention to which of the following would provide the greatest impact to all of the Millennium Development Goals?
A) Protein content of foods B) Clean water and modern sanitation C) Prevention and treatment of injury D) Maternal pre-natal and post-natal care for mothers and infants
Chloroform has a normal boiling point of 61.7°C. Which of the following is true?
A) At any temperature the vapor pressure of chloroform is greater than that of water. B) Chloroform is less volatile than water. C) Both a and b are correct. D) Neither a nor b is correct.
Peasant agriculture is practices extensively in which region?
A) South Asia B) Southeast Asia C) East Asia D) East Africa E) all of the above
____________________ is the term for molten rock material that lies beneath Earth's surface
Fill in the blank(s) with correct word