What law of motion does this picture represent

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)