The soviet Union is primarily responsible for the pollution in the region of Central Asia. The correct option among all the options that are given in the question is the first option. The Soviet Union is one country that depends highly on coal based electricity generation. These power stations release toxic gases that are a reason for global warming.
The presence of U-shaped valleys is the best evidence that glaciers one covered an area. The correct answer is B, U-shaped valleys.
https://www.ecologyandsociety.org/vol15/iss3/art33
This should help you understand the question.
Dry and warm with some humidity in the air <span />
IM GUESSING ENTIRELY BECAUSE THE GALAXY IS SO FAR AWAY THAT KNOW BODY EVER SEEN IT ITS IMPOSSIBLE FOR US TO MAKE IT THERE ITS ALOT LIGHTYEARS AWAY