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.
The correct answer we are looking for is the transience.
One of the seven sins of memory. The ability of Giorgio to recite a poem fades because of the so called transience.
This is known as the transitory nature. Transience means passing with time or is the state of being brief and short-lived.
Eat a potato pancake (latke)