Name three things atmosphere dose for us

1.) it provides oxygen for humans and carbon dioxide for plants

2.) it keeps the earth warmer than it would be without the atmosphere

3.) it protects us from radiation and meteoriods

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light dependent reactions:

light independent reactions:

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the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.