A break in which of the following would cause a secrion of bone to die

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.

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

What is the compliment dna strand to the following sequence: ttgactaggcta