1. High degree of environment pollution
2. A very high amount of oxygen in the atmosphere
3. Very low atmospheric temperature
4. Absence of raw material
A very high amount of oxygen in the atmosphere
1. Water
2. Air
3. Mountains
4. Land
Water
1. Precambrian
2. Proterozoic
3. Azoic
4. Palaeozoic
Proterozoic
1. Chemoautotrophs
2. Eobionts
3. Prokaryotes
4. Coacervates
Coacervates
1. Ammonia,water,nucleic acids and protiens
2. Ammonia,proteins,carbohydrates and nucleic acids
3. Ammonia,nucleic acids,proteins and carbohydrates
4. Proteins,carbohydrates,water and nucleic acids
Ammonia,water,nucleic acids and protiens
1. Air
2. Soil
3. Mountains
4. Water
Water
1. Urey and Miller
2. Oparin and Sydeny Fox
3. Fisher and Huxley
4. Jacob and Monod
Oparin and Sydeny Fox
1. Urea and amino acids
2. Protein and nucleic acids
3. Proteins and amino acids
4. Urea and nucleic acids
Protein and nucleic acids
1. Genesis
2. Panspermia
3. Abiogenesis
4. Biogenesis
Abiogenesis
1. Redi
2. Pasteur
3. Van Helmont
4. Arrhenius
Pasteur