Letter a represents which part of the wave?

wave

a.
wavelength

b.
trough

c.
crest
letter b represents which part of the wave?

wave

a.
crest

b.
wavelength

c.
trough

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs

Argon, neon, and xenon are examples of