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.
To know more about Jupiter refer:
brainly.com/question/15207516
#SPJ4
Ans: Cells are so small because it allows them to have a better surface area to volume ratio. This makes it much easier for the cell to bring in necessary nutreints and excrete wastes. Also the smaller the cell is, the less time it takes to replicate the small cell as opposed to a bigger cell.
Answer:
Skin is the human body's largest organ.
Explanation:
Body organs aren't all internal like the brain or the heart. There's one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.
Answer:
atria
Solution
the atria i believe is the upper chambers of the heart..
