Question

Before the presence of living organisms earth was a very different place match each fact about preCambrian earth to the sphere most affected by it ?

Answer 1

Atmosphere - Oxygen spilled into this sphere from ocean waters;

Biosphere - Cyanobacteria started to emerge as a life form;

Hydrosphere - Oceans contained far less salt than they do today;

Lithosphere - Oxidation in rocks and minerals was not possible;

Answer 2

Answer:

Atmosphere - Oxygen spilled into this sphere from ocean waters;

Biosphere - Cyanobacteria started to emerge as a life form;

Hydrosphere - Oceans contained far less salt than they do today;

Lithosphere - Oxidation in rocks and minerals was not possible;

Explanation: plato