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Stage in which a star’s outer layers have started to cool and grow outward?
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Chemistry, 22.06.2019 17:30
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)
Answers: 2
which equation correctly describes the dissociation of ammonium sulfate into ions in an aqueous medi...
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