More advanced than tools used on earth
Inside the chloroplast (a membrane-bound organelle present in plant cells)
<span>A fossil leaf that is made only of carbon preserved between two rock layers is called carbon film fossil.
</span>Characteristic of the carbon film fossils is that they are primarily composed of carbon. The fossil leaf has usually lost <span>internal components (cell walls and internal cell structures ).</span>
Answer:
Protozoology should be the answer.