Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms.
OK, richness you do have to depend on any one
The answer is 4 chemical energy from the grass.
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<span>The burners must be turned off because, in the case of liquid chromatography, the eluant solvents being used are flammable. Leaving the burners lit could cause the eluant to catch on fire, putting the scientist at risk.</span>