Due to land pollution we lose about ------ tonnes of top soil every year

which of these animal can harm clothes

We use ----------- in tug-of-war

The harmful substance that are responsible for pollution are

Example of Non-Biodegradable is

What does Reycycle means?

The solid waste put in compost pits turns into -------

The area where we live and plants and animals around us are part of -----------

Kimono is the traditional dress of