The answer is C , you’re welcome
Answer:633.8 KJ
Explanation:
Given
mass of water
Initial temperature
Final temperature 
Specific heat of water
=4190 J/kg-k
heat of vaporization
Heat required for process
=heat to raise water temperature from 20 to 100 +Heat to vapourize water completely
Q=mc
Q=
Q=
Q=
That would be the exoskeleton!
Matter is any substance that has mass and takes up space by having volume.
it is no longer and electromagnetic wave.