Read the paper more carefully if you don't understand it
There are 3,500 milliseconds in 3.5 seconds. Hope this helps!
The answer is:
B. orbits closer to its parent planet that the most other moons
That is because in Neap Tides, Spring Tide, Lunar Eclipse, Solar Eclipse, and other thing you always see the Moon orbiting the Earth in diagrams.
I want to say Mechanical energy. Do you have answer choices?
If you go backwards two elements, you will find Neon (Ne). If you go forwards six, you will find Argon (Ar). so the closest will be neon