Assume there is a reference variable officeAC of type AirConditioner. Create a new object of type AirConditioner and save the reference in officeAC. After that, turn the air conditioner on using the reference to the new object.

The answer is a i think

490 n  f=125n a=2.5m/s2

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.