Complete the passage to distinguish between mechanical and electromagnetic waves. Waves that move through matter only are called
waves. Waves that move through space are called
waves.

a) mechanical waves

b) electromagnetic waves

Waves that move through matter are called Mechanical waves.

Waves that move through space are called Electromagnetic waves.

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youre right there are

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high