Register
An unknown mineral is scratched by a penny. It must _____. A:be talc B:have a Mohs hardness of 10 C:be softer than a diamond D:have perfect cleavage
122k views
4 votes
An unknown mineral is scratched by a penny. It must _____.

A:be talc
B:have a Mohs hardness of 10
C:be softer than a diamond
D:have perfect cleavage

User Martin Thoma
by
5.6k points

2 Answers

3 votes

Answer:

It would be softer than a diamond

Explanation:because i had it on my test

User Lars Knickrehm
by
5.7k points
4 votes
The answer is a I think
User Wigberto
by
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.0m questions

7.8m answers

Other Questions

How does the capacitance of a parallel plate capacitor change with the geometry of the capacitor?
What distance is traveled by a police car that moves at a constant speed of 2.5 m/s for 20 s? Include the correct units with your answer. Please help ASAP! Physics
What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? Resistance is directly related to length. Resistance is directly related to the square
Explaining Wave Speed through Different Media Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
Indy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. Cindy’s average speed
Link Copied!