Unit 4

Starting Up :                                                                 let's save the environment





Practice:

Fill in the blanks with the words : Toxic/Garbage/ give off/endangered species/recycling

 

1..............is when paper, glass, plastic, etc. is put through a process so that it can be used again
2.the polar bear is one of the...............
3. People should not throw .................. In the street.
4.Factories and cars .......................... Toxic smokes.

5.Thecarbon dioxide(CO1)  is a ..................... Gas.


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