In present times, the origin of life is not possible from inorganic compounds due to:
1. Non-availability of raw material
2. High concentration of O2 in the atmosphere
3. Decrease in temperature
4. Excess of pollution
First life on earth was:
1. Cyanobacteria
2. Chemohetrotrophs
3. Autotrophs
4. Photoautotrophs
There is no life on the moon due to the absence of:
1. O2
2. Water
3. Light
4. Temperature