List two ways humans affect air quality

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

What did hunter gathers do to alter the environment?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.