Good Riddles

Question: Which triangle will have a larger perimeter : 3,4,5 or 3,4,7 ?

Question: I smash but I never hurt you. Give me your unwanted items and I will eat them and take them so you can get more. Some people might not like me while others may but I still come around on certain days. What am I?

Question: When you stand up he sleeps When you sleep he stands Who is it?

Question: What Can Make Food But Not Eat?

Question: From "N" to "S" I travel I wish I had a paddle... The closer I get- there`s less of me Further away from "N" I flee In the surroundings I slowly fade One soul for another I trade What am I?