Item Mohs Hardness
fingernail 2.5
penny 3
knife 5.1
stee...
Chemistry, 31.05.2020 09:57 robert7248
Item Mohs Hardness
fingernail 2.5
penny 3
knife 5.1
steel nail 6.5
You have found the mineral shown in the picture. A knife won’t scratch it, but a nail will.
Describe at least four properties that would help you identify the mineral.
Answers: 2
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Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
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