An example of an alternate path in the rock cycle could be sedimentary rock goes through melting and becomes magma.
Explanation:
Production of gametes e.g sex cells.
Meiosis is a process which its to make daughter cells which are half the chromosome as the starter cell so the whole cell before it split
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.
More carbon became present in Earth's soil