Answer: Earth
Explanation:
From the description of the image above, Earth is the planet with the smallest inner core with Earth's inner core comprising of only 5% of the Earth.
This is in contrast to Mars (largest inner core) , Mercury (second largest) and Venus. The gas giants do not seem to have any inner cores in them.
I would say C but i haven’t watched what your suppose to be watching. Sorry if i couldn’t help you.
In natural selection, only the fittest organism are able to survive long enough to reproduce. Therefore, only these organisms pass on their genetic information, as they were "selected" by nature.