Does your village or nearest city has a recycling unit of waste materials? Write in detail the steps involved in it.

Does your village or nearest city have a mechanism in place for recycling these waste materials ? Find out how it is done and write in detail.

Is there a check dam or any other water conservation unit in your village? Write a note on it.

Observe a dog in your surroundings .how does it get its food? Write your observations. Which parts are involved in taking in food?

In which of the following situations, does the list of numbers involved in the form a G.P.? (ii) Number of bricks needed to make each step, if the stair case has total 30 steps. Bottom step needs 100 bricks and each successive step needs 2 bricks less than the previous step.