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What is the most common element found in earths atmosphere?
Nitrogen is the most common element found in Earth's atmosphere, making up about 78% of the air we breathe. Oxygen is the next most abundant element in Earth's atmosphere, making up about 21%.
What is the least common element in the atmosphere of the earth?
The least common element in Earth's atmosphere is argon, which makes up about 0.93% of the atmosphere.
What was the most common element in earth's first atmosphere?
The most common element in Earth's first atmosphere was likely hydrogen, along with helium and traces of other elements. These gases were likely present during the planet's formation and early evolution.
Which element in earths atmosphere is essential for human life?
Oxygen is the most essential element in Earth's atmosphere for human life. It is needed for cellular respiration, the process by which our cells generate energy. Without oxygen, humans would not be able to survive.
What element is most abundant in the earths crust atmosphere and oceans?
Oxygen is the most abundant element in the Earth's crust, atmosphere, and oceans. It makes up about 46% of the Earth's crust by weight, about 21% of the atmosphere, and is a key component of water in the oceans.
