The physical laws that govern earths system involve

Matter and energy

Explanation:

The physical laws that mainly controls the entire system are the matter and energy. Both these two laws are neither created nor it can be destroyed, but it transforms from one kind to another. These are basic elements that circulates within the earth from one sphere to another, carrying out all the processes on earth. Every object present in earth is made up of matter and energy is continuously exchanged inside the system.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

i think the miocene epoch spans the time from 23 million to 12 million years ago.