Timeline - The readings in this unit describe many important historical advances. Develop a timeline in which you predict 10 of the most important advances that may occur in science during the next century. Need 10 advances that may occur in science during the next century and dates as well

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

According to edgenuity, the answer is c.