Tutor profile: Edrhea V.
Subject: Earth Science
What is the most common mineral on earth?
Feldspar is the most common mineral on earth.
Subject: Chemical Engineering
Can water stay liquid below freezing point?
Yes, water can stay liquid below zero degrees Celcius
Subject: Materials Science
What is the hardest material on earth?
Diamond - it is a high-symmetry allotrope of Carbon (C) and has a Mohs' scale hardness of 10. which makes it the hardest material known to date/
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