PLEASE I NEED HELP ASAP
( ill make you brainliest )

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.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

The negative impacts of nonnative species generally outweigh the positive impacts