Answer:
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
It can cause deflation of tires when dropped from the rear of spy cars.
What gets wet while drying?
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?