okay no one answer any of my questions in the next 20 minutes I tried to see how long they can stay up without getting deleted

Medieval music began in about what year? 4000 bce 1 ce 500 ce 1600 ce

In the above painting by salvador dalí, entitled persistence of memory, which of the following objects do not occupy positive space? a. the clocks c. the tree trunk b. the ground d. the cliff select the best answer from the choices provided

Which of the following is necessary to build a skyscraper? a. wooden beams b. metal beams c. plastic supports d. all of the above