Question

Which choice correctly labels this diagram for a node, a crest, and a trough?
1 = node, 2 = trough, 3 = crest
4 = node, 1 = trough, 5 = crest
1 = node, 2 = crest, 3 = trough
4 = crest, 1 = trough, 5 = node

5 years ago