Is the classification for an instrument that produces sound.

Arecycling company gives you 5 cents for every plastic bottle and 10 cents for every glass bottle. from a certain individual the recycling company received 59 bottles and paid $4.55. how many glass bottles did the individuals recycle?

Explain how earth is like a giant bar magnet. how is our magnetic field made?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.