Answer:
1. earliest evidence of liquid water
2. oldest rock sample
3. first chemical signature of life
4. first cratons
5. oldest undisputed fossils
Explanation:
Earliest evidence of liquid water (4.40 Ga)
Oldest rock sample (4.03 Ga)
First chemical signature of life (3.8 Ga)
The first cratons (3.2 to 2.7 Ga)
Oldest undisputed fossils (3.2 Ga)
I think the answer is obviously letter D
During the early earth, when photosynthesis has not yet evolved, there were only negligible amounts of free oxygen in the atmosphere. It was said that the Earth's atmosphere had no free oxygen then. This is about 3.5 billion years ago.
The correct answer that would best complete the given statement above is option C. Minerals can form deep inside earth's crust by the crystallization of melted materials. There are two ways on how minerals are formed: <span>crystallization of melted materials and the crystallization of materials dissolved in water. Hope this helps!</span>
