for us to be healthy we need to live in a health environment.Humans have caused so
many changes than many living things cannot get what they need.Some of the changes have lead to the extinction of many kinds of aminals and plants.A lot of people have worked out ways to protect our Earth and we are already starting to make difference.Another need for humans is communicating with other humans,Everyone is special and we all need to learn to live with each other.We can do this by accepting each others differences,caring for each other and learn to work together to help ourselves and our environment.找出七处错误