What are you doing when you're making sound? * 1 point a. Causing photons to travel. b. Causing air molecules to vibrate. c. Causing electromagnetic waves to radiate. d. Causing air pressure to drop.

What is a person called when they are on your side and supports you

Where did the constitutional convention take place

Which of the following was not a characteristic of phoenician cities? a. they were located on islands. b. they had harbors on each side. c. they were built on land jutting out to the sea. d. they were surrounded by high stone walls and towers.