Answer:
What you do to determine the length of something
What does someone else have to take before you can get?
Can you think of a crime that is punishable if attempted but not punishable if actually committed?
In the sun it likes to play; In the rain it goes away; Walk or run it always follows; In the mud it always wallows.
Glittering points that downward thrust. Sparkling spears that do not rust. What is it?
It's what light turns into in the night