How many electrons are shared between one nitrogen and one carbon atom

6 electrons are shared between a nitrogen and a carbon atom.

It equals just about 6,300 km per hour each day an week

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.