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What is a backwash Help me I have a home work
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What is a backwash

Help me I have a home work

User EternalHour
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2 Answers

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Answer:

the liquid that flows back into a bottle after someone has taken a drink, assumed to contain that person's saliva.

Step-by-step explanation:

User Hfter
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4 votes

Answer:

the motion of receding waves.

User Tunvir Rahman Tusher
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