Answer:
The hardness rating is 4.
Explanation:
Calcite sits at a hardness rating of 3 and is very easily scratched with a knife and/copper coin. This is where most Marbles, limestones, travertines, rate.
Meanwhile, Fluorite sits at hardness 4 and can be scratched by a knife.
Which picture?, pls Clip the picture for the answer.
Most definitely c choose c actually no
Answer:
1. Answer is B.
Explanation:
2. Bro this is something for the physics section, not biology.
