-our earth is greatly polluted with many types of pollution.
-we need clean air to live healthily
air is polluted through gases that are 'poisonous' by factories and transports
-it will lead to eye infection and blirry eyesight
-sources of clean water such as rivers and seas are also polluted mostly because of human doings
-the population of aquatic animals and plants will decrease greatly
-soil pollution can affect not only creature living in the forest but also our daily life
-the causes of soil pollution are deforestation and the use of insect repellent by farmers