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kolbaska11 [484]
3 years ago
12

Please can any one help me on this thank you all

Biology
2 answers:
Gemiola [76]3 years ago
7 0
The answer is gypsum as 2 is lower than 2.5 and since the other minerals are very hard, it would cause damage to the fingernail since the fingernail's hardness is 2.5.
Jobisdone [24]3 years ago
4 0
Your correct it is gypsum
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