The astenosphere plays a key role in the plate tectonics theory because it is the one that provides the high temperatures, high pressure, and magma, that are the ones responsible for cracking up the crust on the surface.
The astenosphere, with the ability to crack the crust on the surface of the planet is creating the continental and oceanic tectonic plates, and it also provides the push force from bellow so that they can move across the globe and thus be creating the landscape on the planet.
The quote states that we should be using solar energy before our limited amount of naturally occurring oil and coal runs out. Meaning; we should be proactively working towards solar power rather than to wait for our resource to run out to start.
The answer is “During the reign of Askia Muhammad, the Songhai
empire reached its greatest size.”
<span>Askia is also known as Muhammad Ture. He was able to extend
the territory of the Songhai Empire. He was able to get alliances, thus allowed
him to easily conquer many kingdoms. One of the achievements of the Songhai
empire, he was able to gain the respect of his people.</span>
Answer:
Dense water sinks below less dense water. This is the principle that drives the deep ocean currents that circulate around the world. A combination of high salinity and low temperature near the surface makes seawater dense enough to sink into the deep ocean and flow along the bottom of the basins.