Why are composite volcanoes important? Composite volcanoes are responsible for the most catastrophic eruptions in history. So far, Mars is the only place in the solar system besides Earth known to have stratovolcanoes. What are the characteristics of composite volcano? Composite volcanoes have the following characteristics: Acidic lava, which is very viscous (sticky). Steep sides […]
What volcano erupted in 1980 in the United States?
What volcano erupted in 1980 in the United States? Mount St. Helens Mount St. Helens turned out to be the ideal laboratory to study volcanic activity. The 1980 eruption was the first large explosive eruption studied by scientists and observers using modern volcanology. What volcano erupted in 1980 and killed 57 people in the United […]
What is it called when smoke comes out of a volcano?
What is it called when smoke comes out of a volcano? A fumarole (or fumerole – the word ultimately comes from the Latin fumus, “smoke”) is an opening in a planet’s crust which emits steam and gases such as carbon dioxide, sulfur dioxide, hydrogen chloride, and hydrogen sulfide. What is the white stuff that comes […]
What are the 5 stages of volcanic eruption?
What are the 5 stages of volcanic eruption? Volcano eruptions go through several stages typically beginning with earthquake swarms and gas emissions, then moving to initial steam and ash venting, lava dome buildup, dome collapse, magmatic explosions, more dome growth interspersed with dome failures and finally, ash, lava and pyroclastic eruptions. Which words identify stages […]
Where are there active volcanoes in the solar system?
Where are there active volcanoes in the solar system? There are volcanoes all around our solar system. But only a few places besides Earth—like some of the moons of Jupiter, Saturn, and Neptune—have active ones today. Use the Space Volcano Explorer to learn more about our solar system’s many volcanoes. Are there active volcanoes on […]
What characteristics of magma will form a shield volcano?
What characteristics of magma will form a shield volcano? Shield volcanoes are composed almost entirely of relatively thin lava flows built up over a central vent. Most shields were formed by low viscosity basaltic magma that flows easily down slope away from the summit vent. What is a shield volcano magma? Shield volcanoes are formed […]
What type of soil is in Richmond Virginia?
What type of soil is in Richmond Virginia? Pamunkey soil Did you know that Virginia has a state soil? It is Pamunkey soil, found primarily in the Piedmont and coastal plains. Soils of the Pamunkey series are very deep and well drained. Where is the best soil in Virginia? River plains River plains remain Virginia’s […]
Did the Paris Peace Accords bring peace to Vietnam?
Did the Paris Peace Accords bring peace to Vietnam? The Paris Peace Accords, (Vietnamese: Hiệp định Paris về Việt Nam) officially titled the Agreement on Ending the War and Restoring Peace in Viet Nam (Hiệp định về chấm dứt chiến tranh, lập lại hòa bình ở Việt Nam), was a peace treaty signed on January […]
What did the Mormons have to give up to become a state?
What did the Mormons have to give up to become a state? The Mormon leaders hosted a constitutional convention to write a constitution for the new state they wanted. They wanted to name the state Deseret, and it would have been huge. It would have included Utah, most of Nevada and Arizona, and parts of […]