A caldera is a large depression formed when a volcano erupts and collapses. During a volcanic eruption, magma present in the magma chamber underneath the volcano is expelled, often forcefully. When the magma chamber empties, the support that the magma had provided inside the chamber disappears.
Answer:Today the Fertile Crescent is not so fertile: Beginning in the 1950s, a series of large-scale irrigation projects diverted water away from the famed Mesopotamian marshes of the Tigris-Euphrates river system, causing them to dry up.
Explanation:
Explanation:
A parabola has roots at -16 and 8 and a vertex at (x, -4). What is the value of x?
Answer:
Fastest,
Explanation:
The farther a planet is away from the sun the slower it is, the closer it is the faster its orbit
