The options for the question are:
a) Core
b) Mantle
c) Asthenosphere
d) Lithosphere
The correct answer is Lithosphere. Lithosphere is defined as hard outer part of the Earth that contains Crust and somewhat upper portion of the Mantle. The Earth's crust is made up Tectonic Plates which are in constant state of motion. So from the given options, Lithosphere is the correct answer.
Answer:
In a divergent plate boundary, two plates move away from one another. Due to this divergent movement of plates, seafloor spreading takes place in the ocean basin along the mid-oceanic ridge and rifting take place in the continental areas. Due to the stretching of the crust, the lithosphere becomes thin, and with more progressive spreading, it results in the eruption of magma at the seafloor. This magma is basaltic in nature, that reaches the surface due to the force exerted by the uprising magma forming convection cells in the mantle. This type of plate motion results in the expansion of the ocean basin and the rift valley in the continental areas forms seas and oceans with increasing time.
The rocks that are formed at the mid-oceanic ridge are the youngest as the magma cools and solidifies very rapidly here. With further moving away from this spreading center the age of the rocks increases.
The divergent plate boundaries are also responsible for the occurrence of deep-focus earthquakes, and it also leads to the formation of volcanoes in its adjacent sides.
Answer:
c) No UV light until spring
Explanation:
According to research, chlorofluorocarbons also known as CFCs, are chemicals that are mainly responsible for the destruction of the ozone gas.
<em><u>This is all due to the interaction of different factors, and not only because of the presence of UV. </u></em>
In Antarctica, the ozone levels become significantly reduced during spring because of these chemicals that contain chlorine, producing a hole where cool air becomes trapped. This air produces clouds that are responsible of the release of chlorine from the CFCs, an extremely important process of the formation of an ozone hole. The more clouds there are, the more gases are released, and the worse the ozone hole will be in spring.
Because the sun rises and becomes more intense during spring, it degrades these gases and releases the free radicals of chlorine, which are highly detrimental for the ozone layer as they destroy numerous molecules of ozone. By the beginning of summer, there is a higher amount of ozone that comes from other areas which help fill the ozone hole.
Answer:
Fast-moving lava can kill people and falling ash can make it hard for them to breathe. They can also die from famine, fires and earthquakes which can be related to volcanoes. People can lose their possessions as volcanoes can destroy houses, roads and fields
Explanation:
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>
