A) Rhyolitic magma B) Andesitic magma C) Ultrapotassic magma D) Basaltic magma
A) Anemometer B) Barometer C) Seismometer D) Thermometer
A) Silica content B) Color C) Temperature D) Gas content
A) Wind erosion B) Collapse of a volcanic cone after an eruption C) Erosion by water D) Lava flow hardening
A) Caldera B) Stratovolcano C) Cinder cone D) Shield volcano
A) Seismology B) Meteorology C) Volcanology D) Geology
A) Ecuador B) Peru C) Colombia D) Mexico
A) Crater B) Vent C) Fissure D) Dome |