Question

Write about origin of life on earth.

Answer 1

hello dear 
the Earth formed roughly. ...The Oparin-Haldane hypothesis suggests that life arose gradually from inorganic molecules, with “building blocks” like amino acids forming first and then combining to make complex polymers.

Answer 2

Origin of life on earth was explained by experiment conducted by miller and urey. they suggested that the first primitive organisms arised from simple inorganic molecule from chemical synthesize . they assembled an atmosphere similar to early earth containing molecules like ammonia methane and hydrogen sulphide but no oxygen over water . temperature of about 100 c was maintained and sparks were passed to stimulate lightening at the end of the week 15% of carbon had converted into simple compounds including amino acids which make up proteins