Question

Which of the following gases was not prevalent in Earth’s atmosphere during the Hadean Eon?

water vapor
CH
nitrogen gas
CO2

What do the iron-sulfide hypothesis and the lipid membrane hypothesis have in common?

first organic compounds
formation of first cells
first formation of iron-laden cells
first formation of lipid membranes

Answer 1

@Jack_Prism

Answer 2

I think the first one is CH and the second one is the formation of first cells but I'm not sure :/

Answer 3

first one is ch and the second one first cell formation

Answer 4

For sure?

Answer 5

yes