Albedo is the proportion of insolation that is reflected back by the surface. It depends upon the nature of the surface upon which the solar radiation is incident and the angle of incidence of the solar beam.
Sir Fred Hoyle coined the term ‘big bang’ . It is important to note that the Big Bang theory was proposed by Georges Lemaitre but the term was coined by Fred Hoyle.
In urban and industrial areas smoke provides plenty of nuclei which helps in the formation of fog and mist. Smog is a condition when fog is mixed with smoke.
EXAMIANS