A surgical procedure that may be performed to correct myopia is known as

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If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other. 

To this question it will be choice one

If your options are: a.climateb.nutritionc.povertyd.agethen your answer is letter a.if your options are a. food washing b. climate c. age d. poverty then your answer is also a.