Answer: to provide evidence to a theory
Explanation: Experimentation allows for multiple trials to provide evidence to a scientific theory. Without experimentation there would be no data to back up your hypothesis.
Answer:
The answer is D. A Vacumn
Explanation:
Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.
Planck's constant. A physical constant adopted in 2011 by the CGPM.
Chemical phenomenon by virtue of which a body or compound is transformed by the action of an oxidant
A. Neutrons.
If it were electrons, it would be an ion.
If it were protons, it wouldn't be the same element.