Презентация на тему по английскому языку для 7 класса по теме Экология

definitions

To recycle
 


To reduce


 Waste
 


To treat
 
 



To reuse
 
 




To mine
 

To threw away
 


to

dig into (the earth) for minerals
 
to pass (a substance) through a system again for further treatment or use
 

 
garbage, rubbish, or trash
 
to deal with or regard in a certain manner
 
to make or become smaller in size, number, etc.
  
 
to use again
 
waste material or used articles, especially metal

Their
disappearance upsets the oxygen balance.
As a result

some rare species of animals,
birds, fish and plants disappear forever,
a number of rivers and lakes dry up.

about 1000 million tons of dust and other harmful

substances. Many cities suffer from smog.

are polluted by people as they throw out dust

into the rivers

Rivers and seas are suffers from dumping waste products from factories

big tankers
emit tons of oil into the sea

water. Wild life suffers
from this pollution, many new “monsters” appear.

because of air jets, city transport and different vehicles.

The railways change the relief of our land.