In our world there are ____, water and ____. People should take care of our ____. ____ can make our surroundings beautiful. Trees take in ____ and give out ____ which people breathe in. ____ makes the air fresh and clean. Places with many trees are ____ than places with a few or no trees. Trees cool the air by ____ in the ____ of the sunrays that fall on them. Trees can prevent the ____ for some extent. ____ can cover the rain to fall directly onto the ground and also the ____ can hold the soil in place. In order to live happily in the world, people have to reduce ____ that can cause some plants, animals and people to get sick or die. Pollution is anything that makes the ____ dirty and ____ unhealthy. Pollution occurs when air, water or land are made dirty by ____. There are three different types of pollution such as ____ pollution, ____ pollution and ____ pollution. ____ have to work together to reduce pollution. On the ____ we see mountains, rivers, lakes, seas and oceans.

The World Around Us

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