When silicon atoms bond, then silicates form which are minerals in which such elements as potassium, calcium, magnesium and aluminum combine with the silicon atoms to form minerals like feldspars of different types or if it is just silicon and oxygen that bond then it forms quartz.
Answer:
Yes
Explanation:
The General Mining Act of 1872 , needs to be reformed because there is a clause in it that there will be no protection of environment. This cannot be justified seeing the present day scenario as environment has come under huge stress due to anthropogenic activities including mining. Sustainable development is more important than increasing economy. Environment protection will also help in economy boost in a long run by reducing the costs of rejuvenating the damaged ecosystem in future.
Soil liquefaction occurs when the ground vibrates to the point where the soil acts like liquid
It should be true as exactly 7.52% is arable land which rounds up to 8%
