Which two concerns regarding weapons of mass destruction does the National Nuclear Security Administration deal with in collaboration with the United Nations? the misuse of weapons of mass destruction by rogue nations terrorists obtaining weapons of mass destruction advances in weapons of mass destruction by Russia nuclear testing by China maintenance of weapons of mass destruction in Europe

Explanation:

The correct answers are the following:

C) advances in weapons of mass destruction by Russia;

D) nuclear testing by China.

The main problem of weapons of mass destruction in Russia is the fact that they are not kept in total security, as it is claimed by many. The UN lacks access to many such sites in Russia, which certainly is a serios issue.

As for the relations with China, this cooperation is essential for both countries, however Chinese representatives highlight the importance of trust, which they believe is not quite present between the two countries.

greenland

c tundra

iceland is grassland