When the Earth becomes (warmer ),there may be more rain,a rise in the sea level,etc.It will affect the growth of plants,wildlife and humans.On a Pacific island,100 people have to move to ( higher) grond because the sea is rising.There people can no (longer ) live on the coast.As for us,we can do many things to protect the Earth .We can use fridge (less ).We can tell (more ) people about protecting the Earth
刚学比较级吧!好好学啊!