Answer:
8. B
9. B
10. B
Explanation:
8. explanation: the sun melts up the chocolate bar on the sidewalk because of the suns heat. the sun is our 1# energy/light/heat source.
9. explanation: Transculent, because it is both opaque and transparent, opaque doesn't let light through them, and transparent is the opposite of that.
10. explanation: Light, energy, heat, and sound. because light moves, so does energy, heat and sound!
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