根据短文内容（英文）,完成下面的问题

根据短文内容（英文）,完成下面的问题
Life today is much easier than it was hundreds of years ago,but it has many new problems.One cf the biggest problems.
The more people ,the more pollution.Many years ago,the problems was not so serious beacuse there were not so many people.When people used up the land or the river was dirty in one place,they moved to another place..Humans are now polluting the whole world.
Pollution comes in many ways,We see it,drink it and even hear it.Air pollution is still the most serious.It's bad for all living things in the world.The pollution of SO₂ is now the most dangerous problem of air pollution.It comes from heavy transportation.Water pollution kills our fish and makes our drinking water dirty.Noise pollution makes us become angry more easily.
Many countries are making rules to fight against pollution.People mustn'tburn coal in the houses and factories in the city or bring dirty smoke into the air,
1、Ways of pollution(at least 3)
2、The cause of pollution
3、Ways to fight against hundreds of years ago
4、Ways to fight against pollution now

1.Air pollution,Water pollution,Noise pollution
2.more and more people
3.people move to another place
4.people mustnt burn coal in the houses and factories in the city or bring dirty smoke into the air.