You are Kritika sharma, the head girl of the science club of your school. Write a notice about the science exhibition to be held in your school​

Explanation:

Inter School Science Exhibition

This is to inform all the students that our school is organising an Inter School Science Exhibition for the students of Std. IX to XII on March 3, 20xx.

The interested students may give their names to their class teachers by 25 February 20xx I hope you all will show keen interest and make the school proud.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

the answer is   b suffix addition