Good Riddles

Question: If 1+9+8=1, what is 2+8+9?

Question: You may enter, but you may not come in, I have space, but no room, I have keys, but open no lock. What am I?

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?

Question: What starts with the letter "t", is filled with "t" and ends in "t"?

Question: What did the red light say to the green light?