plz help me any guys...
plz....do this i will as brainleist....
yarr....
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Explanation:
a)The specialist could use a blue litmus paper to test a sample of water from the river. If it turns red, then the water has acid content.
b)Melting is incorrectly used in place of corroding. Corroding is the correct term.
c) The drain covers fizz because when acid reacts with iron hydrogen gas is liberated. It is this hydrogen gas that bubbles and forms the fizz.
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