Question 6: Describe an experiment for determining the position in the reactivity series for copper, iron and magnesium. Include safety measures and the equipment you would use (5
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Part of molten rock at mid-ocean ridges

If a solution had a ph of 7 what is the solution

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)