Which song form has alternating repetitions of a main theme which two or more contrasting sections? 1. rondo 2.aba form 3.ab form 4. sonata form music

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

How will the system respond to a temperature increase?

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?