The arrival of ______ in the early days of Europa’s existence could have formed its ocean. It is likely that the water experienc
ed ______, similar to Earth. It is also possible that this water is retained beneath Europa’s surface and in its atmosphere due to Europa’s ______ . 1.)
Precipitation is any product of the condensation of atmospheric water vapour that falls under gravity.
Biochemical cycling, cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) parts of Earth.
Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall. Many also have a capsule or slime layer made of polysaccharide. Prokaryotes often have appendages (protrusions) on their surface.
