Answer: Social class
Explanation: Social class is the use of socio-economic status to rank individuals in a society. Social class ranks people on the social ladder of the society.
Hundreds of cities in throughout China are the fountainhead of the Yangtze River's pollution, and across the last <em>50</em> years, it has been an increase of 73% in pollution volume in the nucleus of the river, through sewage and industrial waste dumping.
Ironically enough, since the Yangtze river was often referred to as “<em>the source of life</em>” in China; due being home to <em>350</em> fish species, and accounting for a significant sum of China’s water resources for rice and fishery production as well as a big part of the nation’s GDP, while being a center of great biological wealth.
By inventing it..................
Communism leads to slow economic growth, lack of motivation and less competition between the entrepreneurs.
<h3>What is Communism?</h3>
Communism is the economic theory derived by the Karl Marx which is based upon the class less society in which everyone is equal. It says that the means of the production is owned by the government.
The disadvantages of the communism is that government will be holding the property that means there will be no or less competition between the entrepreneurs. It will lack the free of speech.
The economic growth of the country will slow down leading to the political repression. The countries that followed the approach of the communism is Russia and China.
Learn more about the communism here:
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Answer: D. The right lane