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.
<span>There are no choices given, but the event was most likely a physical one that would have barred the squirrels from seeing each other. Squirrels are a social creature, and the event that would have separated the populace could have been anything from a large fire to an earthquake that separated the squirrels from each other.</span>
Answer:B
Explanation
to be completely honesty i have no knowledge if learning the current benefactor of the object asked in this particular question.
The reason for governments to intercede in the market is to insure there is regulation and no black market trading or selling occurring
with this, the government will create an equal opportunity for everyone to enter the market
Hope this helps
The green sample possibly contains algae or some other sort of bacteria