Answer:
Tarbuck, Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium,
Explanation:
One such area is the circum-Pacific Ring of Fire , where the Pacific Plate meets many surrounding tectonic plates. The Ring of Fire is the most seismically and volcanically active zone in the world.
Answer:The Egyptians were protected from invaders due to their geographical features. For example, they had the Mediterranean Sea to the north along with the Nile Delta. This body of water blocks off land on the other side. ... Furthermore, the cataracts in the Nile to the south protected the Egyptians from lands below them.
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Answer:
4
Explanation:
Pretty sure it's right, have good day <3