Question

i want an essay on a very good topic for my competition in school with a good introduction and conclusion

Answer 1

Answer:

Topic - effects of pollution

Pollution is the introduction of harmful and toxic chemical substances in the natural environment. It can be naturally occurring contaminants or foreign substances. With industrialization and growth in population there has been increase in pollution in the atmosphere. The air, water and soil have been severely polluted by human activities. Our ecosystem is affected by pollution in number of ways.

Effects of Pollution on Ecosystem

Ecosystem is the natural system made of diverse species in its physical environment. The natural ecosystem is highly diverse and complex in nature. The toxic chemicals in the atmosphere spread widely throughout the ecosystem. It affects the soil, plants and other organisms, both directly and indirectly.

Ozone hinders the process of photosynthesis in plant species. Ozone gets dissolved in plants and reacts with chemicals that cause number of problems. The process of photosynthesis slows down which results in slower plant growth. The primary ecosystem function such as plant growth and biogeochemical cycling is affected by contaminants in the natural environment which affects the ecosystem services.