What is the speed of sound when temperaure is at 45c?

What was the name given to the members of parliament during the english civil war? a. parliamentarians c. the roundheads b. the presbyterians d. the puritans select the best answer from the choices provided a b c d

How did geographical features create a civilization in china

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.