Question

11. Some heavenly bodies revolve around planets, they are called​

Answer 1

Answer:

Osmosis only allows solvent molecules to move freely, but diffusion allows both solvent and solute molecules to move freely. 4. Osmosis happens when molecules move from higher to lower concentrations, but diffusion happens when it is reversed. 1 and 4 only 2.

Answer 2

Explanation:

Stars are celestial bodies which have their own light and energy. ... Satellites are the objects that revolve around a bigger object in a fixed orbit in space. There are different types of satellites namely natural satellites and artificial satellites. Moon orbiting earth is an example of a natural satellite.