Which type of air mass is most likely to bring heavy snowfall in the winter? A: continental tropical
B:continental polar
C:maritime polar
D:maritime tropical

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

Explain what will happen if decomposers were apsent from a forest ecoysystem.