an individual’s ability to focus on a particular conversation in a noisy and crowded room is called

bro these r easy u may have to do them urself bro. lol jk the answer is two for nimber one, and for question number two sahel boi xd have fun get rekt m8

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

can you explain it better

nothing

hope this !