Answer:
I give light by night, but not by day. I am wicked but not evil in any way. Wax for the most but always wane; except when I'm out, I stay the same. What am I?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.