For Heraclitus opposition was necessary for the existence of things and good. True or false

What is the smoothness of the hand’s flow while playing an instrument called?

Sarah and juan were running in the school track meet. the muscles in their arms and legs them run fast. other muscles that you cannot see were also at work. the most important muscles for this track meet were the muscles in their a) arms. b) eye. c) feet. d) heart.

Which lines from the weary blues suggest that the speaker is impressed by the musician?