Earth’s helps protect life from ultraviolet radiation. Earth’s atmosphere is mostly made up of the gases and .

There is some evidence to suggest that Mars once had liquid , though now it may be trapped as .

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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the backbone of the dna and rna compound is sugar phosphate.

the correct answer should be false

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