Question

this incomplete list shows the planets in order starting with the planet that is closest to the sun. click on each blank to reveal a list of planets. choose the planet that correctly fits in the order established by this list. sun, mercury, , earth, mars, , , , neptune

Explanation:

The order of planets from the sun is well - known. After Mercury comes Venus, then after Mars are Jupiter, Saturn, Uranus before Neptune.

Answer:

Second blank: Venus
Fourth blank: Jupiter
Fifth blank: Saturn
Sixth blank: Uranus