Mark the correct variant.
People should preserve the … .
If we don’t protect …, they will disappear forever.
The science that studies the relations of plants, animals and people to each other and to their environment is … .
This logo indicates that the item is made of … materials.
We should … deforestation in order to save woods and forests on the planet.
The process of making our environment dirty and unhealthy for living is …
The surroundings or conditions in which a person, animal, or plant lives or operates.
Cutting down the trees people … the places where animals and plants live.
If you care about the environment, always remember the THREE Rs:
People should sort household waste and throw it into different rubbish …
Rivers and seas are filled with poison: industrial and nuclear ...
One ton of recycled paper can … 17 trees.