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.
Answer: A, the offspring has genetic material from both the mother and the father
Explanation:
The offspring cant look exactly like the parents because the allels of the parents are not the same.