Vocabulary
Grammar
100

We should __________ more trees to clean the air.

plant

100

If we cut down more trees, the animals __________ (not/find) food or shelter.

won't find

200

Factories __________ harmful gases into the air

release

200

If people don’t use reusable bags, we __________ (not/save) the environment.

won't save

300

Trees help __________ carbon dioxide from the air.

absorb

300

If factories release dirty smoke, the air __________ (not/be) clean.

won't be clean

400

Cars and smoke from factories __________ the air and make it dirty.

pollute

400

If we will throw rubbish in the sea, the fish will die.

throw 

500

__________ is when cities grow too fast and take up too much nature and land

Urban sprawl

500

If people not stop using plastic, it will pollute the earth.

don't stop

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