consider two pipes of the same length: one pipe is open at both ends and the other pipe is closed on one end but open at the other end. if the fundamental frequency of the totally open pipe is 300 hz, what is the fundamental frequency of the other pipe?

What is the measure of ∠m? 81° 65° 53° 98° answer plz

Summarize the work of famous environmental scientists of the past.

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.