to have the closest number rounded up
Since it's C2, then it must be two Carbon atoms. Think of it this way; there are two atoms of Hydrogen in a water molecule, so we now have H2O.
The atmosphere protects the earth from many things, such as space debris,the suns radiation, etc
Atomic number is called the number written to the left of a chemical symbol or formula
Answer:
In cellular respiration, cells use <u>oxygen</u> to release energy stored in <u>glucose</u>.
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