Question

Place the following list in order of occurrence from oldest to most recent:
1)appearance of the first oceans on Earth,
2) the Big Bang,
3) contraction of the solar nebula,
4) outgassing of Earth's secondary atmosphere,
5) stellar ignition in our sun,
6) build-up of oxygen in Earth's atmosphere,
7) evolution of photosynthesis.

Answer 1

Answer:

Explanation:

2.Big bang, 3.contraction of the solar nebula, 5.stellar ignition in our sun, 4.outgassing of earths secondary atmosphere, 1.appearance of the first ocean on earth ,7.evolution of photosynthesis, 6.build- up of oxygen in earths atmosphere.