Answer:
See below ~
Explanation:
<u>A to B</u>
⇒ Solid Phase
==========================================================
<u>B to C</u>
⇒ Melting
==========================================================
<u>C to D</u>
⇒ Liquid Phase
==========================================================
<u>D to E</u>
⇒ Vaporizing
============================================================
<u>E to F and beyond</u>
⇒ Gas Phase
By 'waves' do you mean sound waves? If so sound waves need to travel through things like solids, liquids and yup <u>gases. </u>When the waves travel they are vibrating the molecules in the matter. By doing this he molecules in solids are packed very tightly.
Answer:
a . knowledge and existing theories .
b. falsifiable scope