Answer:
The Carbon-Carbon double bound consists of a sigma bond and a pi bond. There are 2 carbon atoms sharing 4 electrons.
The Carbon-Carbon triple bound consists of one sigma bond and two pi bonds. There are 2 carbon atoms sharing 6 electrons.
Related Information:
The Carbon-Carbon single bound consists of the sigma bond. There are 2 carbon atoms sharing 2 electrons.
Each Carbon-Carbon or Carbon-Hydrogen covalent bond is formed by 2 electrons in one 'hybrid' orbital.
Hydrogen-Oxygen or Carbon-Oxygen bonds are polar-covalent bonds.