Which of the following is the best definition of diffraction? question 20 options: movement of a wave through solid materials a wave being blocked by obstacles in its path a wave bending when it encounters a temperature difference a wave changing directions or moving around something in its path

movement of a wave through solid materials a wave being blocked by obstacles in its path

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.