Answer:
Mussels are one of the two food sources to octopus
Explanation:
X-ray vision<span> is the ability to see through physical objects at the discretion of the holder of a superpower.
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Answer:
Density, Pressure and Mass are used to describe air.
There are 8 planets in our solar system :)
Answer:
I think it is the atomic mass, or the atomic weight.
Explanation:
The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom.
(I'm so sorry if I'm wrong)
Hope this Helps!