Matter and energy are the two major topics studied by a physicist.
Answer: Option D
Explanation:
The universe is composed of different types of matter because of which evolution occurs. Due to interaction between matter, energy is released or absorbed as a result. Physics deals with the study of matter and energy and so it is the main area of concentration for the physicists.
Biology and ecology are related to biologists and environmentalists. Evolution is related to the paleontologists where matter forms the basis for the evolution of human kind.
