Clouds are formed by water then it evaporates into air
<span>(C) in the nucleus with neutrons
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Answer:
we need the model to answer
Explanation:
Answer:
A Planet
Explanation:
The earth for example, is a large body that orbits the sun, our local star
Answer : The oxygen will appears in the final chemical equation as a reactant.
Explanation :
The given chemical reactions are:
(1) 
(2) 
Now we are adding reaction 1 and reaction 2, we get the final chemical equation.
The final chemical equation is:

Thus, the oxygen will appears in the final chemical equation as a reactant.