Weegy: Glass windows allow light in, but trap the heat inside. This describes a greenhouse effect.
User: What cycle every 100,000 years, the Earth's orbit becomes more elongated. This change in orbit has caused past ice ages and is called a?
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What cycle every 100,000 years, the Earth's orbit becomes more elongated. This change in orbit has caused past ice ages and is called a Milankovitch cycle.
Added 4/1/2017 8:41:14 PM
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