Respuesta :
Answer:
Light travels in a straight line, and it casts a shadow.
Explanation:
This evidence allowed Sir Isaac Newton to elaborate his particle theory of light (also called corpuscular theory) which consider light as discrete particles travelling in straight line. Unfortunately, this theory cannot explain refraction, diffraction and interference, which require an understanding of the wave theory of light.
Answer:
correct answer is D
Explanation:
When you see a shadow, it is directly behind the object.
