Answer:
Increase in agricultural productivity due to mechanized farming techniques
Increase in settlement areas due to improved water delivery and storage methods
Increase in urbanization due to globalization
Explanation:
The water cycle transports a plethera of microorganisms, and many of them are harmful for human beings. These include bacteria, protozoa, viruses, and lavae of high-ordered parasytes. Some of the aforementioned are Giardia, Cyptospordium, Shigella, E. coli, hepatitis A virus, and enterovirus.
Waters can also carry chemical wastes such as pesticides, and heavy metals dissolved in them. It is common to hear about acid rain as a result of pollution, and it originates as a result of mixing sulphur dioxide and nitrogen oxide with water molecules in the atmosphere.
There are several technological improvements over the past 100 years that have made the availability of clean water to communities a lot easier, and not only depend on boiling water. Filtration is the most common practice, it traps most unwanted particles and microorganisms, but it should be accompanied with chemical disinfection, which uses halogens to oxidize essential celluar structures and enzymes. In the present, chemical disinfection can even be achieved with adding a pill to a specific volume of water.
Answer:
Slavic people
Explanation:
Russia has a population of over 185 ethnic groups. Many people regard themselves as Russian or Tatars, while others classify themselves as Samis or Kets. All these groups had an influence on Russia's culture but the Slavic ethnic groups are the major ethnic group. The Slavic people are Indo-European people who speak the Slavs language. The Slavs are traditionally divided into two in terms of Religion namely Eastern Orthodox and Roman Catholic Church.
Answer:
a young mountain range along a continental coast.
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The most populous country is China and its population is 1,379,302,771.
