Consider the following statements regarding the ecosystem which helps in reducing the level of pollu...........

Environment and Ecology Concept of Ecosystems

Consider the following statements regarding the ecosystem which helps in reducing the level of pollution in the atmosphere:

1. Ecosystems and ecological processes play an important role in maintenance of gaseous composition of the atmosphere, breakdown of wastes and removal of pollutants.

2. Some ecosystems, especially wetlands have the ability to breaking down and absorb pollutants.

3. Natural and artificial wetlands are being used to filter effluents to remove nutrients, heavy metals,suspended solids; reduce the BOD (Biological Oxygen Demand) and destroy harmful micro-organisms.

Which of the following statements is/are correct?

1 Only

1 and 2 Only

2 and 3 Only

All of the above

छोटे Courses बड़े Results

Master Concept of Ecosystems

Prepare through Micro-courses

Try Now

Explanation:

Ecosystems and ecological processes play an important role in maintenance of gaseous composition of the atmosphere, breakdown of wastes and removal of pollutants. Some ecosystems, especially wetlands have the ability to breaking down and absorb pollutants.