The iron in the earth's core is solid due to high pressure.
At the center of the earth is solid inner core, whose size is two-thirds of moon's size mad made up primarily of iron. The temperature in this core is equal to that of the sun's surface at 5,700 degrees Celsius. But the tremendous pressure caused by gravity prevents the iron from becoming liquid.
Surrounding this is the outer core made of nickel and small quantities of other metals and these remain liquid because the pressure here is a bit lower.
Answer:
The earth has 4 layers.
Explanation:
The crust, mantel, outer core, and inner core.
Answer:
Asians is the largest and most populated continent and the birthplace of many religions including Buddhism, Christianity, Confucianism, Hinduism, Islam, Jainism, Judaism, Shinto, Sikhism, Taoism, and Zoroastrianism.
Explanation:
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Muslim traders connected European and North African merchants with the Far East and Asian trade routes. They often traded spices, silk, and cotton textiles. They also traded ideas, including advanced mathematics, chess, and Arabic numerals. The Arabic language and the Islamic faith spread rapidly in North Africa.
