How is a eukaryotic cell different from a prokaryotic cell?

The eukaryotic cell differs from the prokaryotic cell in the following ways:

The eukaryotic cells have a membrane-bound nucleus, whereas the prokaryotic cell has a non-membrane bound nucleoid. According to the size, the eukaryotic cell is large when compared to the prokaryotic cell.The eukaryotic cell undergoes cell division through a process called mitosis or meiosis, whereas the prokaryotic cell divides through fission or budding.Membrane-bound cell organelles are present in eukaryotic cells whereas absent in a prokaryotic cell.The process of gene expression occurs in two different cell organelles (nucleus and cytoplasm) in the case of eukaryotic cells, whereas in the prokaryotic cell  it occurs in the cytoplasm.

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The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.