Fill up the blanks -

A. Clouds and gases reflect about ___I ___of the incoming solar radiation, and absorb some of it but almost half

of incoming solar radiation falls on Earth's surface heating it, while a small proportion is reflected back. Earth's .

surface re-emits heat in the form of. _|j__ radiation but part of this does not escape into space as atmospheric

gases (e.g., carbon dioxide, III., etc.) absorb a major fraction of it.

B. During the past century, the temperature of Earth has increased by I most of it during the last three decades.

Scientists believe that this rise in temperature is leading to delecterious changes in the environment and resulting

in odd climatic changes (e.g. II ). thus leading to increased melting of polar ice caps as well as of other places like

the Himalayan snow caps.

C. In human eye, cornea absorbs UV-B radiation, and a high dose of UV-B causes inflammation of cornea, called

I cataract, etc. Such exposure may permanently damage the cornea.