Which is an instrument that produces sound when a string or chord is struck, rubbed, or plucked?

Clay is a good medium to sculpt because its shape can be changed easily

Studying history is very important so that we learn from past experiences and don't repeat the bad ideas/choices that might have been made. it can tell us how cultures conducted their lives and you can learn about interesting facts you might not know. hope this ! : )

Depends on which book your talking about or movie.

Idon’t believe there is a option for that best of luck though