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FloodplainAn
area of flat land next to a river, formed mainly of river sediments and subject
to flooding |
Fluvial sedimentThe
process where water is the key agent for erosion |
Food chainHow
each living thing gets their energy |
Food webSystems
of interlocking and interdependent food chains |
Fossil waterAn ancient
body of water that has been contained in some undisturbed space, such as
subglacial lakes or aquifers, and may have laid there for millennia |