During an experiment, a student place 50 mL of water into a 100 ml graduated cylinder and then placed a piece of metal into the graduated
cylinder and the water level rose to 76.0 mL. If the mass of the piece of
metal is 184.6 grams., what is the density of the metal? (report your answer
to 2 digits after the decimal point) NO UNIT*

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)