[Answer] Which volcano caused the most destructive eruption in U.S. history?

Step 1 : Introduction to the question "Which volcano caused the most destructive eruption in U.S. history?"

...1. Mount Shasta, California 2. Mount Hood, Oregon 3. Mount St. Helens, Washington 4. Mount Kilauea, Hawaii

[Answer] 5. What is the name of the tallest known mountain or volcano in the solar system not including planet Earth?

Step 1 : Introduction to the question "5. What is the name of the tallest known mountain or volcano in the solar system not including planet Earth?"

...1. Bo�saule Montes 2. Maxwell Montes 3. Olympus Mons 4. Mons Huygens Olympus Mons - 69,458.7 ft - Mars Bo�saule Montes - 55,774.3 ft - Io (Moon of Jupiter) Maxwell Montes - 36,089.2 ft - Venus Mons Huygens - 15,419.9 ft - Moon (Moon of Earth) Olympus Mons is the tallest known mountain or volcano in the solar system. The other three are not necessarily the next tallest down; they are however the tallest on their respective planet or moon.

[Answer] What is lava called before it comes out of a volcano?

Step 1 : Introduction to the question "What is lava called before it comes out of a volcano?"

...Volcanic eruptions send a mixture of liquid rock, crystals and dissolved gas onto the Earth's surface. Once expelled from the volcano, this molten rock mixture is known as lava. Before it makes an appearance on the surface, it is called magma. There are three general types of magma, each determined by its chemical composition. Magma may be basaltic, andesitic or rhyolitic. Almost all magma contains some degree of dissolved gas in the liquid. The amount of gas found in the molten mixture is determined by the chemical composition of the magma. Source: Tulane.edu

[Ans] Which volcano wiped out the ancient roman city pompeii?

The city for which most famous eruption took place in the year 79 A.D., when the volcano buried the ancient Roman city of Pompeii under a thick carpet of volcanic ash is nothing but Mount Vesuvius, a volcano near the Bay of Naples in Italy, is hundreds of thousands of years old and has erupted more than 50 times.....