Many rivers in central asia come from

These factors threaten north americas ecosystems

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

If u make mistakes on a school trip to knotts like standing up on a ride too early and they ask you not to do it again or and if you do it again you will be escorted out will it go on my student record? yes i know it is a dumb question