The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been
Following are the two statements regarding the origin of life.
$(A)$ The earliest organisms that appeared on the earth were nongreen and presumably anaerobes.
$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements which one of the following options is correct?
Big-Bang theory attempts to explain the origin of
Inorganic evolution means