Have you ever thought what’s going on in your brain(the first to answer gets brainlest)

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 of the following was  not  part of the typical medieval mass ordinary service? kyriegloriacredo motetsanctusagnus dei

Which paris event introduced nineteenth-century musicians to the music of asia, the middle east, and africa? a. the 1848 world revolution b. the 1900 world's fair c. the 1880 international exhibition d. the 1889 world exhibition