Ariel drew a diagram to compare two human-induced environmental changes.

Which label belongs in the area marked Y?

Introduce substances into an environment.
Involves the overhunting of resources.
Causes organisms to use up resources.
Results from the building of roads and bridges.

PLEASE HELP

introduces substances into an environment

Explanation:

eutrophication is just a bunch of algae in a pond or source of water. pollution is bad materials in the air. smoke and algae are substances in an environment.

you're welcome :)

A. introduces substances into an environment

Explanation:

i hope this helps

brainleist? maybe

answer; i believe the answer is hydraulic action;