Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.
Answer:
It's the last one
Explanation:
The grand canyon was formed by erosion of water. That is the only option with erosion of water for the grand canyon
Answer:
Why the red blood cell disc in shape is because that is how blood cells carries oxygen around. This is why blood type is important, and how people with a blood type of AB negative is so rare, this is because the AB negative blood cells doesn't have the shape to carry the oxygen needed for the body.
Hope this helps!
A
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the answer is bare rock Apex gang ❤️
