What Am I Riddles

Question: What has no beginning, end, or middle?

Question: Something longer than a camel but shorter ever than a Cup?

Question: We are just like people. We grow, we get old, we die off. We come in many different colors. Black, white, brown. We come in a army, there are thousands of us, yet we have no war. But we will still die off over the years. What am I?

Question: i am boiling hot and freezing col at the same time what am i?

Question: I look green but I am not. I look blue but I am not. I look red but I am not. What am I?