Answer:
Ozone layer saves the earth from the ultraviolet rays of sun which is harmful for earth. It is situated jn upper atmosphere and saves earth. But thus chlorofluorocarbons destroys the Ozone Layer in the atmosphere.
D. False colors are added toimahes to make some structures more noticeable.
James Watson and Francis Crick
answer gradualism Explanation: gradualism refers to the type of evolution that takes a long time