Which of the following is a good example of the use of "green chemistry"?
A) Switching from dry cleaning to wet cleaning methods
B) Drinking bottled water instead of tap water
C) Increasing the mileage rates on automobiles
D) Walking or riding a bicycle instead of driving a car
A
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An arrangement where a developing nation receives payment from a developed nation to preserve their natural resources is called
A. bankruptcy. B. a conservation easement. C. a land sale. D. a debt for nature swap. E. a conservation concession.
Which of the following atmospheric layers is the thickest?
A. the layer bounded by 1001 hPa and 1010 hPa B. the layer bounded by 1 hPa and 10 hPa C. the layer bounded by 500 hPa and 550 hPa D. the layer bounded by 101 hPa and 110 hPa
Which one of the following is NOT a significant economic resource of New Zealand?
A. sheep B. oil C. timber D. hydro-electric power
Why is gemology considered a separate field from geology or mineralogy?
What will be an ideal response?