in july 1994 the comet shoemaker levy 9 collided with the planet jupiter as scientists predicted. to be able to accurately predict when a comet will collide with a planet it is essential to understand

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.