Phosphorus Cycle Crossword Puzzle

QUESTIONS LIST: weathering : phosphorus on earth is tied up in rock and sedimentary deposits, from which it is released by _ , lithosphere : the rigid outer part of the earth, consisting of the crust and upper mantle, plants : phosphorus is a key nutrient for the growth of _ , hydrosphere : all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds, runoff : the draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, eutrophication : when a body of water becomes overly enriched with minerals and nutrients which can cause excessive growth of algae, decomposition : the state or process of rotting/ decay, animals : a step of the cycle is when phosphorus is absorption by plants and _ , phosphorus cycle : biogeochemical cycle that describes the movement of phosphorus, dead zone : this causes an overgrowth of algae which creates a _ _ due to the lack of oxygen in the water, biosphere : the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms, phosphorus : a chemical element found in water, soil and sediments.