Explanation:
The high hardness of quartz, seven on the Mohs Scale, makes it harder than most other natural substances. As such it is an excellent abrasive material. Quartz sands and finely ground silica sand are used for sand blasting, scouring cleansers, grinding media, and grit for sanding and sawing
Answer:
50 is the answer.. the formula is load/effort
According to sources, the most probable answer to this query is that the name tidal wave as assigned to ocean/ sea waves that far exceeded its normal height. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
A. Units
the rest can be understand that he did not clarify
This talks about the second law of thermodynamics. The second
law states that in all energy interactions, if no energy arrives or leaves the
system, the potential energy of the state will always be a
lesser amount of than that of the early state. This is also usually
referred to as entropy. In the problem, the energy did not impulsively go from
cold to hot therefore the second law is not violated.
