Environment: the natural world in which people, animals and plants live              محیط اطراف         1       

                   planet : A large round object in space that moves around a star                     سیار ه         2       

                  Pollution: The process of making air, water, soil, etc. dirty.آلودگی             3       

                                      (Polluted ( adj)   ,  pollute ( verb  آلوده                                                

                     Lake : A large area of water that is surrounded by land. دریاچه           4        

                     Dead : not longer alive                          die ( v)  , death( n) ,  deadly (adj) ( adv             مرده       5         

Radiation:  Heat , energy, etc. that is sent in the form of rays                                          

Aerosol : A metal container in which a liquid is kept under pressure.                                                       

    Blanket :A thick layer or covering of sth.             

Disappear : vanish                                                                 

Deforestation: The act of cutting down or burning the trees in the area.ng air, water, soil, etc. dirty.