Their economy will do better with the oil wealth. however conflict may get worse within the southern part of Russia, since that part is already ethnically diverse and want to get away from Russia <span />
The ozone layer protects us from the harmful emission of rays directly to the environment. Absent this added layer of protection we humans will be susceptible to various forms of cancer due to over radiation and eye problems such as cataracts. It is estimated that 10% of the world's population will face the consequences of ozone depletion this year and these numbers were continue to rise as time progresses.
It depends on the species
The answer is black holes. I hope this helps