HEATKEYS

The original science forum for the discussion of (and homework help in) all sciences, including chemistry, biology, physics, and mathematics.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

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Where the world goes to talk about science.

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The community question and answer site designed to help people, to help each other: To ask, to learn, to share, to grow.