Countries were separated by continental drift
He Spanish conquest of the Inca Empire<span> was one of the most important campaigns in the </span>Spanish colonization of the Americas<span>. After years of preliminary exploration and military skirmishes, 180 Spanish soldiers under conquistador </span>Francisco Pizarro<span>, his brothers, and their </span>native allies<span> captured the </span>Sapa Inca Atahualpa<span> in the 1532 </span>Battle of Cajamarca<span>. It was the first step in a long campaign that took decades of fighting but ended in Spanish victory in 1572 and colonization of the region as the </span>Viceroyalty of Peru<span>. The conquest of the Inca Empire led to spin-off campaigns into present-day Chile and Colombia, as well as expeditions towards the Amazon Basin.</span>
Acid rain threatens the world's food supply.
Acid rain is a global issue.
Answer:
The earthquakes of California are caused by the movement of huge blocks of the earth's crust- the Pacific and North American plates. The Pacific plate is moving northwest, scraping horizontally past North America at a rate of about 50 millimeters (2 inches) per year.
Explanation:
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1. a. Lithosphere
If we divide the Earth into layers by their composition, then there are three of them, the crust, mantle, and core. The crust is the thinnest layer, being on the top, and being solid. The mantle is the second layer, lying between the crust and the core. It is a layer where the temperature and pressure are higher, and the rocks are hot and slow-moving. The core is the bottom layer, in the center of the planet. It is the hottest and has the highest pressure, being the densest of the layers and is composed mostly of iron and in lesser percentage of nickel.
2. b. Crust
The Earth is divided into several layers depending on the layers being solid or liquid. There are five different physical layers, lithosphere, asthenosphere, mesosphere, outer core and inner core. The lithosphere and the inner core are the two layers that are solid, thus the layer on top and the layer in the center. The asthenosphere, mesosphere, and outer core are all liquid, though it is a different degree of liquidity, and it is these three layers where the convection currents occur and cause the magnetic field of the Earth, as well as the tectonic movements.
