IDNStudy.com, ang perpektong platform para sa mabilis at eksaktong mga sagot. Tuklasin ang malawak na hanay ng mga paksa at makahanap ng maaasahang sagot mula sa mga bihasang miyembro ng aming komunidad.
Answer:
Volcanoes are vents, or openings in Earth's crust, that release ash, gases and steam, and hot liquid rock called lava. When the lava cools and hardens, it forms into the cone-shaped mountain we think of as a volcano. ... On land, volcanoes form when one tectonic plate moves under another.