What was one effect of the industrial revolution in the united states?

1. is through mitosis2.dna replication

The higher you go up the less oxygen there is 

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