Easy Riddles and Answers

Question: At night they come without being fetched, and by day they are lost without being stolen.

What are they?

Question: What jumps higher than a building?

Question: What starts with an e but only has a single letter in it?

Question: In spring I look gay, Covered in a green array, The warmer it gets the more clothing I wear, As the cold grows, I throw away my clothes.

What am I?

Question: There is an ancient invention still used in some parts of the world today that allows people to see through walls.What is it?