Question

Hich of the following describes the sequence of events that most likely lead to the origin of life on Earth?

Individual atoms combined to form simple molecules, which combined to make more complex molecules.


Oxygen and ozone built up in the atmosphere, which made Earth more hospitable to life.


Iron in ocean water combined with oxygen in the air, which formed banded iron formations.


Prokaryotes evolved into eukaryotes, which evolved into multicellular organisms.

Answer 1

The correct option is A.
Scientists believe that life originate from non living inorganic matter. It is believed that when the earth started millions of years ago, that simple individual atoms exist. As time goes on, these combine with other atoms to form simple molecules and the simple molecules combined to form complex molecules.