Today eight countries are possessing nuclear weapons. The five nuclear weapons states United States, Russia (former Soviet Union), United Kingdom, France and China, are the only countries allowed to have nuclear weapons according to the Non-Proliferation Treaty (NPT) from 1970.All members of the United Nations except Israel, India and Pakistan have signed the NPT.he five nuclear weapons states United States, Russia (former Soviet Union), United Kingdom, France and China, are the only countries allowed to have nuclear weapons according to the Non-Proliferation Treaty (NPT) from 1970. All members of the United Nations except Israel, India and Pakistan have signed the NPT.
User: The most common form of matter in the universe is _____. plasma gas liquid solid. Weegy: The most common form of matter in the universe is PLASMA. User: The state of matter with a specific volume but no definite shape is the _____ state. plasma gas liquid solid. Log in to see more information.
The ordinary matter in our universe (known as baryonic matter) is made up of 94* naturally occurring elements, the familiar beasts of the periodic table. And it is one of the stunning achievements of twentieth century science that the question of where these elements came from has now been answered.