Explanation:
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An elements is called a pure substance because it is composed of only one kina of atoms in a fix proportion.
<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
a rock that is formed form sediments is called sedimentary rocks
please give brainlyist if correct
The answer is D. Krypton (kr)