The least massive planet is%0D%0A%0D%0AAnswer options with 5 options%0D%0AA.%09%0D%0AUranus.%0D%0A%0D%0AB.%09%0D%0AJupiter.%0D%0A%0D%0AC.%09%0D%0AMars.%0D%0A%0D%0AD.%09%0D%0AEarth.%0D%0A%0D%0AE.%09%0D%0AMercury.

E. Mercury.