Answer:
B.) It introduced color film
I hope this helps! ^-^
Kim Hee-chul, better known by the mononym Heechul, is a South Korean singer, songwriter, presenter, and actor.
Min Kyung-hoon is a South Korean singer. He is the lead vocalist of the band Buzz. His first solo album, Im·pres·sive, was released on December 5, 2007. His second solo album, Picnic, was released on June 27, 2011.
I believe the answer would be 2 and 3
