His average speed is 45 miles an hour
Answer:
200 cm cube
Explanation:
The formula for volume is length * breadth * height so we get 200 cm cube as answer.
Electron revolves around the nucleus. Protons, neutrons are called nucleons because they form nucleus of the atom. Quarks are the fundamental particles which combines to form neutrons, protons and other particles.
Hence electron is the answer.