Answer:
Behaves as a wave.
Explanation:
The dual nature of light means that light behaves as a wave. If the light consisted of small particles, the alternating light and dark bands would not have occurred.
Sometimes it behaves like a particle (called a photon), which explains how light travels in straight lines.
The answer should be C. In this question
Divide the distance by the speed:
(18 m) / (42 m/s) = 3/7 s ≈ 0.43 s
The Space Age began on October 4, 1957.
