I think it is a drop in stock prices
A metal, an element, compound, or alloy) that is typically hard, opaque, shiny, and has good electrical and thermal conductivity. Is this what you are asking?
Answer:
b. Human: Mining and industry.
Explanation:
Human activities such as mining, deforestation, over grazing and industrial activities etc are responsible for the land degradation in India. Due to mining, the land is disturbed and degraded when the minerals are extracted from the land. Cutting of trees leads to barren land and the wind and rainfall with high intensity removes the upper layer of the soil with the passage of time. Overgrazing of animals on the land removes all vegetation and the land is susceptible for erosion and degradation.
The second main difference between socialism and communism is that within communism the distribution of goods and services takes place according to the individuals needs, while in a socialist system, goods and services are distributed based on individual efforts (e.g. paying taxes).