Please answer any/all questions you can and I will each posting for each questio
ID: 6885 • Letter: P
Question
Please answer any/all questions you can and I will each posting for each question answered rate as lifesaver, thank you so much!!PG. 353 - 1.) Why do human beings play a unique role both in the degradation and the preservation of the biosphere?
2.) What is the importance of the “greenhouse effect”?
3.) Could global warming be simply a part of the long-term climatic cycles which include periodic ice ages as well?
4.) Why can’t microbes that naturally clean up the environment continue to do so as in the past? How have human made their task harder? Easier?
5.) Why is energy from fusion reactors, unlike that from fission reactors, so attractive from an environmental perspective?
6.) Are all attempts to recreate an ecosystem doomed to failure?
7.) How far should we go to protect and nurture endangered species?
8.) Are the effects of pollution reversible?
9.) Do you think humans can change the behaviors leading to disruptions in the environment?
10.) What is meant by the idea that all life on this planet is interdependent?
Explanation / Answer
2). Green house gases include water vapor, carbon dioxide, methane, nitrous oxide, ozone, and chlorofluorocarbons. These are helpful in maintaining the temperature of the earth. They form a life supporting environment. Some of them protects earth surface from harmful rays like UV rays. 7).Animals adding to the endangered species list are increasing day by day. Many animals are extinct today. If this continues there will be an imbalance created in living system which affects humans also. So, we have to protect the wild life. Precautionary steps have to be taken by government and people should follow them. Bio reserves have to be maintained. Children should be educated about importance of wild life and their protection. 8).Some of the effects of pollution are reversible. Temporary changes in the environment can be brought back to their normal state. Damage from water pollution can be reversible. But only up to a certain extent only this reversible property can be applied. Example – garbage and polluted water can be cleaned and purified respectively.