What are three things people can do to decrease the amount of pollution released into the environment

1. Carpool, bike, or walk (reduces CO2 emissions)

2. Conserve Energy

3. Recycle

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs