Question

compare and contrast the two main branches of physical science

Answer 1

What are they?

Answer 2

science of matter and energy

Answer 3

That would be one branch, and it is called physics.

Whoever is defining the "main branches" of science in whatever course you are taking probably should not be teaching science.

Answer 4

i know it's pyhsical science.....but the branches of it is science of matter and energy