Which Has a positive charge.
protons
neutrons
electrons
protons and neutrons

Explanation:

Protons and neutrons have approximately the same mass, but they are both much more massive than electrons (approximately 2,000 times as massive as an electron). The positive charge on a proton is equal in magnitude to the negative charge on an electron.

a = executive branch; b = judicial branch

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.