Akono lists some of the variables in his investigation to answer the question:
How does the mass of salt affect the speed of rusting? Variables:
- amount of salt
- how much of the nail has gone rusty?
- type of nail
- time nail is left in test tube
--From the list of variables above, identify the variable Akono should change.
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Akono lists some of the variables in his investigation to answer the question:
How does the mass o...
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