I need help with these questions :
(see image )

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

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.

Which object is most likely represented by a dot?