Explanation:
A witness would be someone that has experienced something at first hand, having saw something from a different perspective. An ally is someone who is acquainted with you, or someone you could trust. A witness cannot be an ally if you are against their side in some form or way. A witness can be an ally if it is your best friend or someone you trust to prove you innocent.
Basically, a witness is a neutral term that describes someone that saw something. While an ally refers to mutually acceptable.
Tajikistan is about 3,000 meters (9,800 feet) above sea level.
Kyrgyzstan's AVERAGE is 2,750 meters above sea level. It ranges from 7,439 meters (24,406 feet) all the way down to 1,500 meters (4,921 feet) above sea level.
Particular is the correct answer.
A clue to cause and effect would be the word "since" as it starts a cause for something,a reason for something to happen