Chemistry, 20.09.2019 19:00 Jstylez9712
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
hardness 9
hardness 8
hardness 5
hardness 10
Answers: 2
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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