Oxygen in the presence of sunlight
E.climax, because the climax community is composed of species best adapted to average conditions in that area.
Answer:
Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants.
Volcanic eruptions may occur in both locations, as the movement can cause the tectonic plates to allow magma through.