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
Mrac [35]
3 years ago
10

According to Moh's hardness scale, your fingernail would be rated as 2.5. Juan and Carol are trying to identify an unknown miner

al. Carol can scratch the mineral sample with her fingernail. Juan and Carol know the mineral MUST be one of these four choices.
Based on the scratch test, the mineral is
A) apatite.
B) calcite.
C) gypsum.
D) pyrite. '
heres a pic if u need it
Mohs Scale of Mineral Hardness
Hardness Mineral Absolute Hardness
1 Talc 1
2 Gypsum 2
3 Calcite 9
4 Fluorite 21
5 Apatite 48
7 Quartz 100
8 Topaz 200
help plz! i couldnt get the table things but that was part of it though!
Chemistry
2 answers:
Tresset [83]3 years ago
7 0
C) 
Should Be The Right Answer
Hopes This Helps Yeah
mamaluj [8]3 years ago
3 0
I believe C is the answer because it is softer than your fingernail and the rest are harder.
You might be interested in
What state of matter is the pumpkin
otez555 [7]
Solid......imma guess
6 0
4 years ago
Read 2 more answers
Which of the following is used to calculate the distance to a star based on subtle shifts in the star's position relative to an
Nana76 [90]
Parrallax is used to calculate the distance.
8 0
4 years ago
Convert 0.237 μL to ml
Genrish500 [490]

Answer:

0.000237mL

Explanation:

0.237 x 10^-6L = 0.000000237L = mL

0.000237mL

4 0
3 years ago
two solutions are boiled. the first is 1 mol of a sodium chloride(nacl) solution forming two ions. the second one is 1 mol of ca
svet-max [94.6K]
It will be different according to how each of them is easily warmed up when using thermal energy. 
Water heats at 100 celsius and all the other solutions have slightly different boiling points

4 0
4 years ago
Read 2 more answers
Copper sulfate forms blue crystals. The solubility of blue copper sulfate is 32 g per 100g of water at 20 Celsius​
Zanzabum

Answer:

nnnnnnnkkkmn

fhhjvvcGM NBCvvv

6 0
3 years ago
Other questions:
  • What is the main cause of increased erosion
    12·1 answer
  • What is the pH of a 75.0 mL solution that is 0.047 M in weak base and 0.057 M in the conjugate weak acid ( K a = 7.2 × 10 − 8 )
    10·1 answer
  • How is earths moon different from the moons of other planets
    10·2 answers
  • How does having a diverse gene pool help species survive
    13·2 answers
  • Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solutio
    7·1 answer
  • WHEN IN FRICTION not useful
    12·1 answer
  • How many molecules are in 5.00 grams of NH3?
    15·1 answer
  • What is avogrados number and why is it useful
    9·1 answer
  • Two rabbit species, X and Y, live in an Arctic environment that is also populated by wolves. Species x turns white in the winter
    7·1 answer
  • Which sentences in the passage are true?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!