Answer:
Light can travel in a vacuum.
A vacuum is empty space. There are no molecules of air or anything else in a vacuum. Like all forms of electromagnetic waves, light can travel through empty space, as well as through matter.
In an atom, the number of protons is almost always equal to the number of electrons
C. bicycle is your best answer
a bicycle has 2 wheels, and they are connected together through a frame and and has axles
hope this helps
Answer:
"After they remove the tumor and some of the normal tissue, it will start radiation in about 2 to 4 weeks."