Answer:
Infrasound
Explanation:
Infrasound, sometimes referred to as low frequency sound, describes sound waves with a frequency below the lower limit of audibility.
6. C. Concentration of wind and water.
7. B. Potash
8. D. Exploring rock formations for mineralization
9. B. 30%
10. C. A longwall.
In chemical reactions the substances present at the start of the reaction are reactant and the substances produced are called product
Metamorphic rocks form when heat and pressure transform an existing rock into a new rock.
Explanation:
Technology has made life easier for everyone, for example : long - distance communication has been made easier, etc.
