Passage 8 Mankind has undoubtedly progressed since medieval time, the earliest man lived Ilike brutes. Individuals fought among themselves and the strong destroyed the weak, for that is the law of the jungle, the law of irrational life. But man was not an animal. He possessed rational faculties. These faculties gradually developed and appeared in his actions, and man gave up the law of the jungle and evolved his own rational laws. Men saw that the law of physical strength was not applicable to their lives. They realized that they had souls and the strength of a being with a soul can consist in a variety of capabilities other than the power to hack and hew.and tear. For instance, a man can be strong in reasoning tools, or in controlling the action of other rational beings by the power of song or speech. Thus, men realized that they should not be fighting among themselves but should be working together and giving one another opportunities to use their respective strengths. This was the first step in man s progress. By this means, men gained such control over the force of nature and made each other so much wiser and more comfortable that they were convinced that they were the best creation of God. (a) How did the earliest man live? (b) What is the law of the jungle? (c) What was the difference between man and animals? (d) What did man learn to do when his reason was developed? (e) What is the duty of man as the best creation of God?
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Answer:
Pollution is the presence of harmful substances in the environment. These harmful substances are called pollutants. There are various types of pollution that are Air Pollution, Water Pollution, Noise pollution and more. Because of the increase in population, pollution is also increasing on a daily basis. People are getting hazardous diseases with the increased level of pollution. Hence, everyone should be aware of the pollution, its effects and how to reduce it effectively. <br>
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Pollution- A brief<br>
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Like a balanced diet for a healthy body, our environment also needs every substance in a balanced proportion. If any substance increases more than its threshold amount then it pollutes the environment such as increased carbon dioxide, Nitrogen oxides in the atmosphere pollutes the air and adversely affects the health of humans.<br>
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Types of Pollution<br>
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There are different types of pollution that affect different sections of the environment.<br>
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Air PollutionWater PollutionNoise PollutionSoil PollutionEffects of Pollution<br>
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Due to the pollution, people and the environment are getting affected in different ways. Here are some of the most recognised bad impacts of pollution.<br>
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People exposed to high levels of noise pollution face hearing problems, high blood pressure, sleep disturbance and other issues.Because of the high level of air pollution, Global warming is increasing which will further depleting the ozone layer. Besides, breathing problems are increasing in humans.Many species of animals and birds are at the verge of extinction such as sparrow which are almost extinct.Increased water pollution is destroying life underwater. Pesticides used in crops are increasing the risk of cancer and other dangerous diseases. Continuous increase of soil pollution is making the soil infertile.How to Reduce Pollution?<br>
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People should join hands to reduce pollution. So that our coming generations can experience the healthy environment. To preserve the healthy living environment, people should take some precautions and measures. Check the below steps that can help in reducing the pollutants<br>
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Reduce the use of non-biodegradable things– Environment has a property of reviving itself by degrading the naturally produced substances. However, the non- biodegradable things like plastic bags and bottles pollute the environment.Plant more trees– To decrease the air pollution and save the species, it is very important to plant more number of trees. Trees help in purifying the air by adding more oxygen in the environment.Less Use of Chemicals– With advancement in technology, many chemical-made substances are used to improve the yield of food products. People should produce food without using pesticides and Reduce Population– Continuously increasing population is the major reason for increased pollution. People should follow the policy We two, our two (hum do hamare do) to keep the population under control.Recycling is also a very effective and efficient way to reduce the pollution. It helps in limiting the use of non- biodegradable products.