Answer:
Centimeter is the SI unit of length. The distance light travels in a year is measured in light-years. The length of a marathon is measured in miles. The mass of the sun is measured in solar masses. The distance across the universe is measured in kilometers. The length of a nanometer is measured in angstrons. The distance across an atom is measured in picometers. The distance across a subatomic particle is measured in attometers. The mass of an electron is measured in kilograms. The number of protons in an atom is measured in avogadros.
Step-by-step explanation: