Volcanoes erupt because of density and pressure. The lower density of the magma relative to the surrounding rocks causes it to rise.
Hope It helped.
Answer:
C)Adolph Hitler rise to power
Explanation:
The impact of the Treaty of Versailles following WWI, the worldwide economic depression, failure of appeasement, the rise of militarism in Germany and Japan, and the failure of the League of Nations.
Answer:
Who did Jimmy Carter run against for president?
Carter remained as governor until 1975. Despite being a dark-horse candidate who was little known outside of Georgia at the start of the campaign, Carter won the 1976 Democratic presidential nomination. In the general election, Carter ran as an outsider and narrowly defeated incumbent Republican President Gerald Ford.
Explanation:
I hope this helped
Answer:
Steam engines use hot steam from boiling water to drive a piston (or pistons) back and forth. The movement of the piston was then used to power a machine or turn a wheel. To create the steam, most steam engines heated the water by burning coal.
Explanation:
your first question is boiling water
second question is Before steam power, most factories and mills were powered by water, wind, horse, or man. Water was a good source of power, but factories had to be located near a river.
the last one is While the Spaniard first patented a steam-operated machine for use in mining, an Englishman is usually credited with inventing the first steam engine. In 1698, Thomas Savery, an engineer and inventor, patented a machine that could effectively draw water from flooded mines using steam pressure.
