a ROLLERCOASTER
Gravity is pulling the coaster downwards, "what goes up must come down."
what goes up must go down is what i think it is, but I'm not sure
must come down!
down?
What goes up must come down
The profit goes down when sales go up because either expenses go up too or price per item goes down.
What goes up ... must come down!
An umbrella !
The rain goes down into the soil but after meanwhile the water evaporates into the atmosphere
An umbrella !
Smoke
Smoke