Answer:
an element is not in an atom
Explanation:
because the only things in a atom are electrons neutrons and protons
The geosphere is about 99.94% of Earth's mass, so C is the answer.
IT forms because they are highly reactive elements.
The number of electrons that can be held in the second orbit are 8
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➪Methane (CH4) is oxidized with molecu- lar oxygen (O2) to carbon dioxide (CO2).
