Question

(a) Ozone layer provides protection from which radiation coming from the sun?
(b) What are the advantages of using disposable paper cups instead of disposable plastic cups?

Answer 1

a) Ozone layer provides protection from the harmful ultraviolet (UV) radiation coming from the sun. These harmful radiations can cause skin and other types of cancer.

b) The paper can be recycled and used again. The paper cups can be degraded by the action of microbes since, it is biodegradable. Plastic is non-biodegradable. The use of plastic cups results in pollution problems. The plastic cups can get accumulated in the environment and can cause leaching of chemicals which might result in various heath problems due to water and food contamination.