Objects in the fountain appear to be somewhere but isnt
Answer:
Measuring a pencil in meters would be very difficult, as a single meter is much longer than one pencil. Also, measuring a hallway in millimeters would be very difficult considering how small millimeters are in comparison to a hallway. However, if you switch these two then they would work very well.
Answer:
water
Explanation:
because the others are in compounds and can not be considered as products lonely.