Answer:
The treaty entered into force in 1961 and currently has 54 parties. The treaty sets aside Antarctica as a scientific preserve, establishes freedom of scientific investigation, and bans military activity on the continent. The treaty was the first arms control agreement established during the Cold War.
Explanation:
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.
Vilnus is the capital of Lithuania - a small country in Eastern Europe, on the Baltic Sea, which used to be one of the Soviet Republics before the split-up of the Soviet Union.
Despite being Lithuanian's biggest city, it has a big Polish population and it was once in Poland, not in Lithuania - which was a reason for a conflict between the two countries.
The answer is D (they usually occur on the boundaries of plates.
I think D is the the answer as well