Earth's atmosphere contains a unique abundance of free oxygen, which is not found in significant quantities on any other planet in our solar system. This oxygen is produced mainly by photosynthesis from plants, making Earth's atmosphere distinct and supporting a wide variety of life forms.
Earths atmosphere is rich in Oxygen, some 21% of the air is Oxygen. There is oxygen on other planets, but the percentage comes nowhere close to this. The percentage of Oxygen in earths atmosphere is thought to have been much higher in the past, before animals were about, but after the arrival of plants.
The element carbon is not found in large quantities in Earths mantle.
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.
Argon is a noble gas and does not react with other elements in the atmosphere, so it has remained relatively constant over time. The initial percentage of argon in the Earth's atmosphere was likely determined by the gases present during the planet's formation. The lack of significant processes that remove or add argon to the atmosphere has helped to maintain its percentage over time.
Earth's air is primarily composed of nitrogen (about 78%) and oxygen (about 21%), with traces of other gases such as argon, carbon dioxide, and water vapor. These gases make up the atmosphere, which envelops the planet and is essential for sustaining life.
Early volcanoes discharged different combinations of gases into the Earth's atmosphere creating rain, which cooled the planet and formed solid land masses, and every other element discovered presently.
The main element found in the atmosphere of a gas giant planet like Jupiter or Saturn is hydrogen. This element makes up the majority of their composition, along with other gases like helium, methane, and ammonia.
79% Nitrogen, 20% Oxygen and 1% argon, Carbon Dioxide and other trace gasses.
Often Venus is called Earth's sister planet. This is because they are similar in size. However, their other properties such as atmosphere, temperature, etc are different.
Earths atmosphere is rich in Oxygen, some 21% of the air is Oxygen. There is oxygen on other planets, but the percentage comes nowhere close to this. The percentage of Oxygen in earths atmosphere is thought to have been much higher in the past, before animals were about, but after the arrival of plants.
what is the basis for the division of earth's atmosphere
The element carbon is not found in large quantities in Earths mantle.
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.
Earth's atmosphere is made up of gases surrounding the planet, retained by gravity. The atmosphere contains nitrogen, oxygen, argon, carbon dioxide and other gases in small amounts as well as water vapor.
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pluto
what is the basis for the division of earth's atmosphere