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5 Results for "greenhouse effect"

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Take a closer look at how the atmosphere keeps our planet warm.

Materials and step-by-step instructions to see the greenhouse effect at work.

Build your own miniature greenhouse to see the greenhouse effect at work.
CARD 296
Arctic ice is melting. Coral reefs are disappearing. Sea levels are rising. These events are part of an even bigger prob...
CARD 049
Venus and Earth are sometimes called sister planets because of their similar size, but don't let this comparison fool yo...