A wave traveling through air meets an object and bounced off its flat surface at a new angle. Which statement best describes what has happened to the
wave?

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

Who was the first scientist to measure speed as distance over time?

How many neutrons does plutonium -196 with an atomic number of 78.