Environment

Choose the word to the explanation

1. It is rubbish, waste or other things we throw away

it is a very big problem of our time. If we don’t protect them, they will disappear forever.

they are experiments with nuclear weapons.

4 it is a thick forest in tropical parts of the world, like in Amazon area.

5 it is the process of making our environment dirty and unhealthy for living.

6 it is the science that studies the relations of plants, animals and people to each other and to their environment.

Put the verbs in brackets into Conditionals I

1 If people …(to stop) throwing rubbish into the seas and rivers, clean water… ( not/to be) a problem.

2 If we recycle old magazines and books, we …(to save) trees.

3 If you turn off the lights when you leave a room, we …(to reduce) the use of energy.

4 You ...(to have) to wear a mask, if the air …(not/to be) clean.

5 More species …(to survive), if we …(to protect) nature.

6 We …(to be thirsty),if we …(not/to have) enough water.