1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mrrafil [7]
2 years ago
14

If a mineral can scratch fluorite and it can be scratched by a knife what is the hardness of the mineral

Biology
1 answer:
alukav5142 [94]2 years ago
7 0

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.

You might be interested in
The chance that a certain event will occur is known as its _____.
Alex777 [14]
Probability is the measure of the likeliness that an event will occur. So.. probability.
8 0
3 years ago
Read 2 more answers
Briefly explain the process of cloning an animal
IgorLugansk [536]
in reproductive cloning , researchers remove a mature somatic cell such as a skin cell from an animal that they wish to copy .

they transfer the DANA of the donor animals somatic cell into an egg cell , or oocyte that has had animal is referred to as a clone
5 0
3 years ago
Is it possible to have an inverted pyramid of energy?
Nadya [2.5K]
This isn't possible except you have a system where there isn't competition and the survival of the fittest in the aspect of the food chain
5 0
3 years ago
What are the three ecosystems in the ocean, in order, from nearest to the shore to farthest from the shore?
krok68 [10]
I'm pretty sure it's C
7 0
3 years ago
Read 2 more answers
Wendell Stanley discovered that the tobacco mosaic virus was not an organism, but was chemical in nature.
elena-14-01-66 [18.8K]
Its true 
hope this helped
5 0
2 years ago
Other questions:
  • A cell of an organism has four chromosomes. It undergoes a process at the end of which two daughter cells are produced. Each dau
    9·2 answers
  • Jeremy has parkinson's disease, a progressive neurodegenerative disease that affects motor skills. in addition to motor symptoms
    5·1 answer
  • Organism lacking enzyme--
    15·1 answer
  • Which of the following is true?
    13·1 answer
  • Which of the following is NOT an epithelial structure?
    8·1 answer
  • if u bark at other people while losing an argument ur dumb i cant say other words brainly wont let me
    15·1 answer
  • Which is NOT an energy source obtained from the ocean?
    6·2 answers
  • What is a parasitic relationship?
    15·2 answers
  • The phylum for invertebrate animals with jointed legs is Arthropoda.
    14·1 answer
  • Defined forestry and its important in nepal?​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!