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Patterns

what is the jet stream
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What Is the Jet Stream?

What Is the Jet Stream? Several miles above our heads in the top part of the stratosphere, winds can blow up to 300 miles an hour. These win

what are fingerprints
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What Are Fingerprints?

What Are Fingerprints? A fingerprint is merely a record of the pattern of a person’s finger. Look at the tips of your fingers. Do you see th