Examlex
Which of the following type(s) of materials is(are) repelled when a magnet is brought near by?
Fresh Water
Water that has low concentrations of dissolved salts (salinity) and other total dissolved solids, commonly found in rivers, lakes, streams, and underground aquifers.
Inverted Ecological Pyramids
describe situations in ecosystems where higher trophic levels have greater biomass or numbers than lower levels, contrary to the typical pyramid shape.
Aquatic Ecosystems
Environments in water where organisms interact with each other and with their surrounding physical environment, including oceans, lakes, and rivers.
Nitrification
A microbial process by which ammonia is oxidized to nitrites and then nitrates, a crucial part of the nitrogen cycle in soils.
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