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Vinegar has a pH of 2. Vinegar _______. a. is an acid b. could be either an acid or a base c. is a neutral substance d. is a base

asked Feb 7, 2017

Chemistry
high-school

2 answers

1 vote

181k views

Identify three forces that act on plates to make them move.

asked Feb 9, 2016

Geography
middle-school

1 answer

5 votes

148k views

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