1. Electrons travel around the nucleus in fixed energy levels with energies that vary from level to level
2.protons, neutrons, and electrons have a mass, but electrons have far less mass
3.cations and protons
4. idk
Answer:
c small intestine
Explanation:
it absorbs 90% of water in our system
The Light Reactions Provide Energy Carriers For The Dark Reactions.
Answer:
c Size is the answer hope it helps