people
A million people will give a million different answers. People are the most annoying.
Cat Tree
There is no such thing. Take any equation - you can always make it still more complicated, by some basic algebraic manipulation.
Estimates say anywhere from 1 to 1.5 billion, although most are around the 1.2 billion mark.
Living thing. Since a seed is in a living thing, it is living. Most likely, that is your answer.
It's subjective, but some people might consider reaching one's potential or living a fulfilling life as the highest pursuit in the world.
Bacteria
Most living things are trash.
That depends on what part of the world that living thing lives in.
They are all living is the most common.
carbon
Kim kardashian
mouse
A cockroach.
the
There is an endless number of non-living things in the world. any object is a non-living thing. The number or non-living things is infinite.