URGENT PLEASE HELP!!

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3. if the dartboard below is used to model an atom, which subatomic particles would be located at z?

Table sugar completely dissolved in water is an example of a?

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)