Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
Answer:
The correct answer is option 3. a nucleus.
Explanation:
The first genetic material present in the early organisms were RNA which was present in the microscopic organisms back then 3.5 billion years ago which means it is normal to have RNA in such microfossils chemical analysis.
Since, the nucleus was not present in early life forms of prokaryotes like bacteria. so, it is unusual to find nucleus in the fossils of stromatolite rocks.
Thus, option III is the correct answer.
The answer is
B) Evolution
h2o is water and c2o is carbon dioxide :)
Hope I was help :D
