Ganymede & Callisto are low-density moons with a mixture of ice and rock. They are farther from Jupiter and are geologically dead.
The four largest moons of Jupiter, Io, Europa, Ganymede, and Callisto, are known as the Galilean moons or Galilean satellites. Galileo Galilei initially observed them in December 1609 or January 1610, and in March 1610, he identified them as Jupiter satellites. They were the first discovered extraterrestrial objects orbiting a planet other than the Earth.
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The ocean floor regions are the continental margins, the ocean basin floor, and the mid-ocean ridge.
Answer:
All living objects are composed of cells, including you. Cells are the basic element of existence. Such cells are known as prokaryotes and eukaryotes. Procaryotes are cells not possessing a nucleus, or organelles comprising the genetic material of a cell, or other membrane-bound organelles.
Explanation:
The living organisms living in a desert are biotic factors but the sand in a desert is abiotic
