The primitive environment was reducing because in it
$C{O_2}$was more
${H_2}$ was more
${O_2}$ was more
$N{H_3}$was more
The first life on the earth was developed through
Who first conducted experiment on evolution to prove biochemical origin of life?
Which of the following were present in prebiotic group?
The first non-cellular form of life could have originated about $. . . . .$ years ago.