In which direction does gravity cause weight to act?

Which property of fossils allow scientists to determine the relative rock ages..

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes