Metamorphism of pre-existing sedimentary or igneous rocks occurs by heat from nearby magma called an igneous intrusion.
Answer: Option C
<u>Explanation:</u>
Contact metamorphism occurs when the hot igneous rock thrusts into some some other rock which exists previously. Then the pre-existing rock is baked by heat and during this process no additional pressure is added and this leads to the change in the mineral structure of the rock. Contact metamorphism is occurred only with heat and not by adding any additional pressure on the rock.
Answer:
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Explanation:
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The tropical atmospheric circulation associated with rising winds along the intertropical convergence zone (ITCZ) and descending air in the subtropics are called Hadley cells. or Hadley circulation
The Hadley circulation, also known as the Hadley cell, is a worldwide tropical atmospheric circulation pattern that occurs due to uneven solar heating at different latitudes surrounding the equator. The Hadley circulation causes air around the equator to rise to about 10-15 kilometers, flow poleward (toward the North Pole above the equator, the South Pole below the equator), descend in the subtropics, and then flow back to the equator along the Earth's surface.
Climate scientists are interested in Hadley cell because it controls precipitation in the subtropics and creates a region known as the intertropical convergence zone, which produces a band of major, highly precipitous storms.
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3. The Spanish American wars of independence were the numerous wars against Spanish rule in Spanish America that took place during the early 19th century, after the French invasion of Spain during Europe's Napoleonic Wars. Although various regions of Spanish America objected to crown policies that restricted trade and privileged Spanish-born officials over American-born, "there was little interest in outright independence; indeed there was widespread support for the Spanish Central Junta formed to lead the resistance against the French."[6]
4. Eva (Evita) Perón's legacy has inspired books, musicals, & films; she escaped rural Argentina, where there were few opportunities, & gained prominence as a radio & movie star; Eva's popularity among masses assisted her husband (Juan Perón) in his rise to power; using her radio show to tell people about her husband's policies, she helped him win the support of the working class (whom she affectionately called the descamisados (shirtless ones)); although she didn't hold a political office, she received the honorary title "Spiritual Leader of the Nation"; promising redistribution of wealth, labor reform, & national glory for Argentina, the Peróns threatened security of the wealthy who held power & gave hope to the poor; even in death, Eva Perón remained a controversial figure
Juan Perón had her body embalmed & had planned a large memorial to immortalize her, but his government was overthrown & he was sent into exile in 1955; at that time, the new government hid her body in an attempt to get rid of any evidence of the Perón years; her enemies buried her in a secret grave in Italy, where her body remained until the 1970s; her; her body was eventually returned to Argentina & laid to rest in a family cemetery in Buenos Aires
Her legacy has been subject to different interpretations over time; her supporters view her as a powerful female leader who championed of the poor & middle classes; those who opposed her said she manipulated the masses for her own ambitions; historians continue to sift through diary entries, political documents, & letters to unravel more about the mysteries of Eva Perón
Controversy surrounding Perón rule's reflective of political & social divisions within Latin America
Most nations in South America had gained their independence from Spain by the middle of the 19th century; throughout the remaining decades of that century & into the 20th, many South American nations struggled with political instability; governments rose & fell quickly & military coups d'etat were common; Juan Perón of Argentina is just one example of these political struggles
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