Surprisingly, there isn't too much hydrogen on Earth. The majority of hydrogen in the universe is in stars and nebulae (Billions of Billions of Billions OF Trillions of TONS of it).
Hydrogen is the most abundant element in the universe, but it is relatively rare in the Earth's atmosphere. It makes up only about 0.000055% of the atmosphere by volume.
Protactinium is so scarce that the abundance in the Earth crust was not determined.
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Quartz
It accounts ofr 0.934% by volume, of the earth's atmosphere.
The word "abundance" is a noun. An example of a sentence using the word would be: There was an abundance of food being served by waiters.
Earth is the only planet in our solar system with an abundance of liquid water on its surface. Other planets may have water in the form of ice or vapor, but not in liquid form like Earth.
The Earth's atmosphere has 21% oxygen
Because the interior of the earth is hot.
The abundance of thallium in the Earth crust is cca. 0,6 ppm.
Copper's abundance in the Earth's crust is approximately 50 parts per million, making it a relatively abundant element. It is widely distributed throughout the Earth's crust and is commonly found in various ores and minerals.
It is the ratio of the total mass of a specified element in the earth's crust of ten expressed as a percentage. For example, the abundance of aluminum in the earth's crust is 8 percent