The best pyramid for this is the biomass pyramid. That is because they show how much ecological material can be found at each trophic level, which then can be used to model how the matter flows through the ecosystem that is being analyzed.
<span>is a 1922 agreement among seven U.S. states in the basin of the Colorado River in the American Southwest governing the allocation of the water rights to the river's water among the parties of the interstate compact</span>
6x+4y=13
-(3x+4y=8.5)
-------------------
3x=4.5 =x=4.5/3=1.5
It will be 1.5
