Describe the sound produced by an instrument of length L, that is open at one end. Be sure to include the terms pitch, frequency, timbre, nodes, and antinodes.

answer; ///i believe that the correct answer is (45*) at a 45 degree check first good

i think they are all correct

explanation:

they seem good

co2reflects heat radiation back to earth buning coal and oil emits co2 globe warms

their crystal patterns have been disrupted by stress