Answer:
Since the noble gases are unreactive or inert, they are safe to use. Helium is used to fill balloons and airships, because it is much lighter that air and it will not catch fire. Neon is used in advertising signs. It will give red glow, but the color can be changes by mixing it with other gases.
Explanation:
B.
Spring tides occur during a new/full moon. The sun, moon and earth form a straight line during these phases.
❌formed by 2 ions
❌ionic bonds
✅yes because of solvation
✅yes electrolytes are substances that break apart into ions when dissolved
✅in itself but salt water is a good conductor
✅such as water
(J) unit joule is the standard unit of heat (energy)
So as not to mix types in a recovery system and to alert you to the presence of dangerous hydrocarbons like propane.
