


Welcome to the Green Generation marathon for 2015!
I'll kick off!
What three factors influence how harmful a pollutant will be to the environment?

Wetlands act as a buffer against flooding and pollutants, are an important habitat for many different species of animals and plants, and can provide recreational areas
Primary and secondary refer to different types of trees; secondary succession usually has trees like oaks, that live a long time, whereas primary succession generally contains pines
Ummm...I have a very different answer. Where exactly did you get your answer?Unome wrote:Primary and secondary refer to different types of trees; secondary succession usually has trees like oaks, that live a long time, whereas primary succession generally contains pines