You and a partner must pick three of the following:
- a comet that travels from the Oort cloud or hits the earth
- a meteor
- a moon that is not our own
- a planet with rings
Compare the Earth to these three chosen items and create a table that highlights
- evidence of plate tectonics
- evidence of water
- evidence of weathering
- evidence of an atmosphere or weather systems
- evidence of carbon or nitrogen compounds.
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