Vasu lives in a coastal village. He is a son of a fisherman. Whenever any unwanted animal comes in the net, instead of killing it, he puts back the same in the sea. Answer the following questions based on above information :
(i) What would have happened had he killed those animals ?
(ii) Give an reason yo justify that Vasu's action is environment friendly
(iii) How can you contribute in the presenvation of flora and fauna around you ? Mention any three steps.

Cyanide kills an animal by

Cyanide kills an animal by

Meeta father was driving her to the school. At the traffice signal she noticed that each traffic light was made of many tiny lights instead of a signal bulb. When Meeta asked this question to her father's he explained the reason for this. Answer the following question based on above information: (i) What were the values displayed by Meeta and her father? (ii) What answer did Meeta's father give? (iii) What are the tiny light in traffice signal called and how do these operate?

Meeta father was driving her to the school. At the traffice signal she noticed that each traffic light was made of many tiny lights instead of a signal bulb. When Meeta asked this question to her father's he explained the reason for this. Answer the following question based on above information: (i) What were the values displayed by Meeta and her father? (ii) What answer did Meeta's father give? (iii) What are the tiny light in traffice signal called and how do these operate?

He will revise it when he is comes back.