What is bad about the metric system?
Nothing.
A minor inconvenience may be that the unit for temperature (degree Celsius) is large.
How do you measure distances in the metric system?
Generally we measure the distances in meters and centimeters . before knowing about metric system we know what is metric system? Metric system:it is also known as SI system but it is called the international system. Before 1970 this system is known as metric system In SI system the distance is measured with meters.