How can you secure your future?

You are standing with your bag in your handsd, on the ice n the middle of a pond. The ice is so slippery that it can offer no fricton. How can you come out of the ice?

How can you contribute to the maintenance of green wealth of your locality? Make a list of actions to be taken by you.

The base of a cylinder is a circle with radius r. How can you find the area of the base? How can you use this in your formula for the volume of a cylinder?

Can you hear your own words if you are standing in a perfect vacuum ? Can you hear your, friend in the same conditions ?

Which method, according to you, can bring about the maximum increase in crop produce in our country in future?