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20+ Enchanting Facts About the River Nile. Fact 1. River Nile and Egypt. The river Nile has immense significance on the history and evolution of the Egyptian Civilization. It flows throughout the country and is the country’s major water source. Most of Egypt is a desert zone, and rainfall is not so dense here.
Jul 6, 2019 · Nitrogen is atomic number 7, which means each nitrogen atom has 7 protons. Its element symbol is N. Nitrogen is odorless, tasteless, and colorless gas at room temperature and pressure. Its atomic weight is 14.0067. Nitrogen gas (N 2) makes up 78.1% of the volume of the Earth's air. It's the most common uncombined (pure) element on Earth.
The interesting this is that the amount of water is constant and is recycled throughout. It, therefore, means some of the water you drink today, at one point in the past may have passed through some of the extinct species or even a dinosaur! Fact 3: Humans use only 1% of all available water. As already mentioned, about 71% of the earth is water.
Aug 30, 2022 · Here are 100 interesting facts about Earth! 1. Earth is the fifth largest planet in the solar system. 2. Earth is the densest planet in the solar system. Read also Venus Facts For Kids. 3. Earth is the only planet in the solar system that has water in its liquid state on its surface. 4.
Aug 14, 2019 · Chlorine is the 3rd most abundant element in the ocean (about 1.9% by mass) and 21st most abundant element in the Earth's crust. There is so much chlorine in the Earth's oceans that it would weigh 5x more than our present atmosphere if it were somehow suddenly released as a gas.
Jan 17, 2020 · Fast Facts: Calcium. Element Name: Calcium. Element Symbol: Ca. Atomic Number: 20. Standard Atomic Weight: 40.078. Discovered By: Sir Humphry Davy. Classification: Alkaline Earth Metal. State of Matter: Solid Metal. Calcium is element atomic number 20 on the periodic table, which means each atom of calcium has 20 protons.
This is because our planet has two extremely important requirements for human life: oxygen and water. It is also the perfect distance from the sun. It is not too hot and not too cold. 🌍 The body of planet Earth is made up of layers. Those layers are the inner core, outer core, mantle, and crust.