Limes and lemons have a ph of 2 and are acidic.
Use PV=nRT to find V assuming n is one and R= 8.31 then use the answer to find P2
The chemical name is ferric oxide or iron (III) oxide or hematite. We can found it naturaly as a magnetite, mineral.
Explanation:
Competition stems from the fact that resources are limited. There are simply not enough of some resources for all individuals to have equal access and supply. Competition can occur between organisms of the same species, or between members of different species.