A mass m is hanging from a rope of length l and mass m. A student gives the mass a quick horizontal shake to set up a wave which travels along the rope.

Iconic memory is used when a loud thunderclap occurs during a storm. select the best answer from the choices provided t f

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.

Aplan that covers all qualified higer education expenses is known as a