Which of the following combined with methane and ammonia to form water,$CO_2$ and others on early Earth?

  • A
    Carbon
  • B
    Hydrogen
  • C
    Oxygen
  • D
    Sulphur

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Similar Questions

Given below are some major events in the early history of life:
$I.$ First heterotrophic prokaryotes
$II.$ First eukaryotes
$III.$ First autotrophic prokaryotes
$IV.$ First animals
Choose the correct sequence of these evolutionary events.

Who proposed the $Cosmozoic$ theory?

The Big-Bang theory attempts to explain the origin of:

Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?

According to the special creation theory of conventional religious literature,which of the following connotations is inconsistent?

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