This mineral has the property of crystallinity. Crystalline solids are characterized by their repeating units called unit cells. There are 4 common types of unit cells: primitive cell, body-centered cell, face-centered cell and the hexagonal cubic cell. Each of this have their own distinct unit cell lengths and coordination number.
Coal letter c would be the answer
ningbo is kinda friendly but you should know that they somtimes lit people ride bikes you should assk a person that lives in ningbo
This scarcity may be due to bad quality of water. Lately, there has been a growing concern that even if there is ample water to meet the needs of people, much of it may be polluted by domestic and industrial wastes, chemicals,pesticides and fertilisers used in agriculture making it hazardous for human use.