Q : 1 So called green taxes, which exact a price for the use of polluting or nonrenewable fuels, are having a positive effect on the environment and natural resource base of countries as varied as China, the Netherlands, and Hungary.

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Q : 3. The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

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Q : 2.  In an effort to fill the stadium, the management of the ball club has cut admission prices; tickets have now been priced to sell, and they are

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