Water pollution - Contamination of water bodies, Global warming - The long-term heating of earth’s surface, Air pollution - An alteration of air quality that can be characterized by measurements of chemical , deforestation - the depletion of trees and forests at an alarming rate,

autors:

Līderu saraksts

Vizuālais stils

Iespējas

Pārslēgt veidni

Atjaunot automātiski saglabāto: ?