An observation is something you saw happen whereas an inference is something you think will happen. You can guess that the water will fall through a static filled comb, but you observed the water moved away from the comb instead. (I saw this happen and I thought it was so cool)
Answer:
Inner planets: Mercury, Venus, Earth, Mars
Outer planets: Jupiter, Saturn, Uranus, Neptune
Explanation:
Inner planets are planets who have an orbit that is within the asteroid belt, they are closer to the sun. Theses include Mercury, Venus, Earth, and Mars. Outer planets are planets are the gas giants, they are called gas giants because they are mainly made up of gas and liquid. These include Jupiter, Saturn, Uranus, and Neptune.
To provide energy to build new cells and tissue