A fissure vent, also known as a volcanic fissure or eruption fissure, is a linear
Dec 24, 2015
Oct 31, 2016
Generic Volcano Features A
n. pl. vol·ca·noes or vol·ca·nos. 1. a. An opening in the earth's crust from which lava, ash, and hot gases flow or are ejected during an eruption. b. A similar ...
Transcript. NARRATOR: Not too long ago, scientists studying the ocean made a fascinating discovery that has helped us better understand our planet Earth.
Apr 13, 2010