I think A for part 1 and B for part 2 but not sure
Answer:
advanced propulsion equipment
<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>
The answer should be C. Solar energy
Sorry if I am wrong