The diagonals of a square are ___. A. Never congruent
B. Parallel
C. Perpendicular
D. Sometimes equal

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The point where two air masses meet is called a

Where is the only location in the united states where you drive on the left side of the road?