Answer: (A) the answer is 8
Explanation:topaz on the scale is no 8, followed by corundum no 9 and then diamond which is the hardest on no 10
B
A convergent boundary is an earth where two or more lithospheric plates collide
Answer:
New information about the genetics of species is being discovered.
Answer:
It is the center of the solar system.
It is made up mostly of gases, not solids.
It is the most massive object in the solar system.
Explanation: The sun is only about 4 billion years old so the 3rd one is incorrect, and the last one is incorrect because the Sun is made up of mostly hydrogen
