What are the smallest particles produced in a volcanic eruption called?

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?