Answer:
maybe, but id rather do automotive stuff, thats my second option.
Explanation:
1st one= CaO +H2O=Ca(OH)2
product side-
Ca=1
O=2
H=2
Reactant side-
Ca=1
O=2
H=2
The first one is balanced for you
There is 1 calcium on each side 2 oxygens on each side and 2 hydrogens on each side
The answer should be C. Technology is the application of the knowledge gained by science.