Question

(06.02 MC) According to the chart below, which planet has the smallest inner core? Image describing the composition of the terrestrial planets (Mercury, Venus, Earth, and Mars) and the gas giants (Jupiter, Saturn, Uranus, and Neptune) of our solar system. Mercury is composed of 45 percent core, 50 percent mantle, and 5 percent surface crust. Venus is composed of 15 percent inner core, 20 percent outer core, 60 percent mantle, and 5 percent surface crust. Earth is composed of 5 percent inner core, 35 percent outer core, 55 percent mantle, and 5 percent surface crust. Mars is composed of 50 percent inner core, 45 percent outer core, and 5 percent surface crust. Jupiter is composed of 5 percent rock, 15 percent water, 60 percent metallic hydrogen, and 20 percent hydrogen gas. Saturn is composed of 10 percent rock, 20 percent water, 30 percent metallic hydrogen, and 40 percent hydrogen gas. Uranus is composed of 30 percent rock, 35 percent water, and 35 percent hydrogen. Neptune is composed of 15 percent rock, 60 percent water, and 25 percent hydrogen gas. Group of answer choices Mars Venus Jupiter Earth

Answer 1

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.

Answer 2

The answer is Saturn. I took the test and got it right and I also looked at the picture.