Answer:
B.) It introduced color film
I hope this helps! ^-^
Answer:
White light
Explanation:
Because Black, Red, and Blue light absorb and White light reflects
Protection and containment
Answer: You mean Frequency? Frequency, in physics, the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.
Explanation: