Describe how scientists make interferences on whether water is polluted or not

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 is the primary function of the nervous system?

What has a person lost function of if they're suffering from carpal tunnel syndrome