Advantages
people are there to help
never lonely
they could do things for you
disadvantages
loud
annoying to you
they don't do work
helium
has the most neutrons in the nucleus
Answer:
Gas giants.
Explanation:
Jupiter, Saturn, Uranus, and Neptune are the gas giants of our solar system.
Atom, molecule , organelle, cell , tissue organ, organ systems, organism population, community, ecosystem, biome, biosphere
