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The concept of chemical evolution is based on 

1. crystallization of chemicals

2. interaction of water, air, and clay under intense heat

3. effect of solar radiation on chemicals

4. the possible origin of life by the combination of chemicals under suitable environmental conditions

 88%
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From his experiments, S.L. Miller produced amino acids by mixing which of the following in a closed flask:

1. CH3, H2, NH4 and water vapour at 800°C

2. CH4, H2, NH3 and water vapour at 600°C

3. CH3, H2, NH3 and water vapour at 600°C

4. CH4, H2, NH3 and water vapour at 800°C

 80%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh