Answer:
all cells reproduce through photosynthesis
Explanation:
The oldest fossil evidence that geochemists have been able to find in deposits in Pilbara, Australia, and South Africa have been dated to 3.5 bya. In addition, organic compounds that may be the result of those produced by organisms have been dated, also in Greenland, to 3.8 bya.
I can already say it's not option 1 nor 4 as these go against everything science is. I'd say it's option 3 since it takes a bit and though yes they can be rejected, many scientists build off another individual studying the same material for a lead on where they should look. I hope this works for you and I'm not wrong. It's just that option 3 is most understandable in my mind with common sense of previous schooling.
Well water is of the most important parts of an ecsystem. If an ecosystem that has a lot of water like the rain forest had a bad drought everything would go wrong. All the plants would die. The animals would have to move somewhere else or they would die so that would cause a major disruption in the ecosystem that they converge or bombard on.
