Which description fits a salt-marsh ecosystem? 1.a swampy area flooded by tides and freshwater runoff and populated by mangrove trees

2.an ocean ecosystem with shallow waters that supports populations of coral and many fish species

3.a swampy area flooded by tides and freshwater runoff and populated by grasses and other low-growing plants

4.a body of water where fresh water mixes with sea water that supports aquatic plant beds, where many fish lay their eggs

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.

There would be no evaporation so no water cycle

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