Pollution Caused by Man
Pollution Caused by Man
Pollution caused by Man: Most of the pollution from human activities comes from industries and vehicles burning fossil fuels. Smoke from these sources is the primary air pollutant. Smoke also gets into the air from other sources like aeroplanes, kitchens and steam-engines. Burning of fuels and other industrial activites release harmful gases such as carbon dioxide, carbon monoxide, oxides of sulphur and nitrogen, particulate matter, etc. The oxides of sulphur and nitrogen in the air cause acid rain which affects monuments, etc.
Increase in population increases the demand for more space and food. Both these requirements results in deforestation. Increasing deforestation means less absorption of carbon dioxide gas which causes pollution and global warming.
Which of the following are correct : (a) When wood, cow dung cakes, coal and kerosene are burnt to cook food, these generate thick smoke which pollute the air. (b) When wood, cow dung cakes, coal and kerosene are burnt to cook food, these generate oxygen which good for us. (c) Excessive use of fertilizers and pesticides in agriculture pollutes the air. | |||
| Right Option : C | |||
| View Explanation | |||
_____________________ is the main reason for decrease in species diversity in tropical countries. | |||
| Right Option : B | |||
| View Explanation | |||
Fly ash can cause ______________ | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
