Question

I. insert commas, where necessary, in these sentences:
1. The audience was getting more and more restless and knew that his speech was not going down well.
2. We would like to order two dozen notebook two reams of paper four boxes of clips a dozen dusters two dozen file covers.
3. The climbers mostly from the South Faced the harshest conditions on their trek across the mountain peak.
4. The last elections many people feel were not fair.
5. It was on 29 may 1953 that Hillary and Norgay set foot for the first time on Mount Everest.
6. She was a brilliant scientist a charming conversationalist and a fine writer.
7. Darwin’s Origin of Species published in 1859 revolutionized biological thinking.
8. My grandfather who is well over seventy still goes for a long walk every day.
9. Pandit Nehru free India’s first Prime Minister was educated at Cambridge.
10. We spend our evenings chatting in the cafes watching the sun set over the harbor stuffing ourselves with the local food and listening to classical tunes.
Add commas to the following text:
No one has been killed in Formula 1 motor racing since the Brazilian star Ayrton Senna in 1994 and the sport is very proud of improving safety. Indy Car had its most recent fatality in 2004. But with all motorsports there is a balance to be stuck between the speed danger and excitement and the need to protect the racers and spectators from harm. Senna explained why he kept on racing even after he developed a strong interest in improving safety on the track. ‘The harder I push the more I find within myself. I am always looking for the next step a different world to go into areas where I have not been before. It is lonely driving a Grand Prix car but very absorbing. I have experienced new sensations and I want more. That is my excitement my motivation.”
Class comments

Answer 1

Answer:

• Uses of nonmetals in our daily life: Oxygen which is 21% by volume helps in the respiration process. It is also used for manufacturing of steel and provides high temperature in metal fabrication process. ...
• Uses of nonmetals in our daily life: Oxygen which is 21% by volume helps in the respiration process. It is also used for manufacturing of steel and provides high temperature in metal fabrication process. ...Nonmetals used in fertilizers: Fertilizers contain nitrogen. It helps in plant growth. ...
• Uses of nonmetals in our daily life: Oxygen which is 21% by volume helps in the respiration process. It is also used for manufacturing of steel and provides high temperature in metal fabrication process. ...Nonmetals used in fertilizers: Fertilizers contain nitrogen. It helps in plant growth. ...Nonmetals used in crackers