<span>
C–H bonds in methane and O–O bonds in oxygen.
CH4 +2O2--->CO2 + 2H2O
</span>CH4 has only C-H bonds.
O2 has only O=O bond.
Ionic bonds are formed due to tendency of a metal to donate an electron and tendency of non metal to gain an electron.
Answer:
chickens
Explanation:
we are more related to chickens as for we dont fly such like bats. chickens genes are closer to us. we cant be able to be upside down as long as bats can and we dont have their really good r=hearing either.