Answer:
Answer is D. All of the above
Answer:
B
Explanation:
I think that's it.. hope I helped you
Add the reltive atomic mass of Ca and O which are 40 and 16 respectively after addition we get molecular mass of CaO which is 40+16=56 now divide atomic mass of O by molecular mass of CaO and multiply it with 100 as show n 16/56 *100=28.57%
The answer would be a. C2H4(ethylene)
1C2H4+3O2~>2CO2+2H2O
Answer:
it means the earth is rotating-
Explanation:
