A boy drops a stone in a well and finds it takes 2.60 seconds to hit the water. A) How deep is the well?
B) With what speed does the stone hit the water?

Your answer is 1.5 hope i  

Work is reduced while time is decreased

Shania is trying to determine the oldest geologic unit on this map and the reason to why is she unable to do so is that  the units are all the same age.. when there is the same age, there will be no oldest geologic unit and that i cannot be credible.