A. preview. read the sentences. then match each word in
blue with a definition.
the earth's atmosphere protects the planet from many
things: the sun's rays, and even debris (like flying rocks) in space.
the earth titches the sun. it takes about 365 days for it to
complete onc cycle around the sun.
1. broken pieces of something
2. the layer of air and other
gases around the earth
3. a series of repeating events

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