Ecology is the branch of environmental science that studies the interactions among organisms and their environment, aiming to maintain systemic natural balance where all living things can coexist in harmony.
Parts Per Million (PPM) is a unit of measurement used to express the concentration of one substance within a million parts of a given medium, often employed in chemical analysis to determine the concentration of trace substances.
Topography refers to the state of the surface of the land, including its features, shape, and the arrangement of its natural and artificial physical attributes.
