The Universe is a single system that consists of everything that physically exists. The basic principles of the Universe, such as the conservation of mass, the conservation of energy, and the laws of gravity,

A. differ greatly between single solar systems.
B. are the same throughout the entire Universe.
C. change completely every hundred million years.
D. are never constant throughout any single system.

Question

The Universe is a single system that consists of everything that physically exists. The basic principles of the Universe, such as the conservation of mass, the conservation of energy, and the laws of gravity,

  A.  differ greatly between single solar systems.
   B. are the same throughout the entire Universe.
  C. change completely every hundred million years.
   D. are never constant throughout any single system.

rock_mit182 · Answer

after the big bang the universe was created by itself, with it the laws of physics, so if physically don't exists, is not from this universe.