Question
Ultra violet radiations of the Sun do not reach the
earth because, earth's atmosphere is surrounded by –Solution
The ozone layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth. Ozone is formed from dioxygen by the action of ultraviolet light and also atmospheric electrical discharges, and is present in low concentrations  throughout  the  Earth's atmosphere. In total, ozone makes up only 0.6 parts per million of the atmosphere.
Answer the questions based on the information given below.
There are eight persons D, E, F, G, I, J, K and L, in a family, where there is no si...
A is the son-in-law of P and is the brother-in-law of T who is the brother of V. V is the daughter of P. How is T related to P? Â
How is P related to mother of S?
How J is related to son in law of L?
How is L related to F?
Answer the following questions based on the information given below.
There are eight persons G, H, I, J, K, L, M and N in a family of three gen...
Answer the questions based on the information given below.
There are seven members D, E, F, G, H, I and J in a family, which consists of only...
Who is paternal grandfather of I?
How is J related to Q's brother-in-law?
Who is the mother of D, in the given arrangement?
