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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)
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Name 3 types of energy you see being used as you look around a classroom
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Chemistry, 23.06.2019 05:40
The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
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When Gallium (Z=31) reacts with sulfur to form an ionic compound, each metal loses electron(s) and e...
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