Today,The many pollution on earth.
Water pollution is one of the most serious problem.the factory put the waste water into the sea or the river, it pollutes the river and killed many animals. For example, many fish become smaller than before. and the chemicalsmakes the waterwarmer.Many algaestart to grow. This makes less air in thewater. so many water creatures can not breathe and dead.
the oil pollutes the water too.this will make many people has no water to drink.
we will also pollute the water, too. because we usually throw rubbish into the water.
we should know threw rubbish into the water or waste the water.
water is important to us. we should protect it and do not pollute it or waste it