Crystal is charmic fibres glasses.it was making different types color
The one on top is corrrect because the cell diagram will always contain one object or more
The element which can not loose electron easily and having electronagtive character is called non-metal it has following property-1. it can not conduct heat and electricity1. it is netiher ductile not malleable3. it is not lsuturous and also not sonorous
I'm pretty sure its d. cold front