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The major contributor of oxygen to Earth's atmosphere is cyanobacteria, which are photosynthetic bacteria that produce oxygen as a byproduct of photosynthesis. These organisms were among the first to evolve the ability to perform photosynthesis, releasing oxygen into the atmosphere billions of years ago.
What else can I help you with?
What gas is 21 percent of earth atmosphere?
Oxygen
What are he two main components of the atmosphere?
The two major components of the earth's atmosphere are nitrogen and oxygen. There is also trace amounts of hydrogen, carbon dioxide, and other gases.
What is the major source of free oxygen in atmosphere?
Green Plants
Is this true The two major components of Earth's atmosphere are nitrogen and hydrogen?
This statement is not accurate. The two major components of Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%), not hydrogen. Hydrogen is present in trace amounts in the atmosphere.
Which of the Earth's layers contains oxygen silicon aluminum calcium iron sodium potassium and magnesium?
The Earth's crust contains oxygen, silicon, aluminum, calcium, iron, sodium, potassium, and magnesium. These elements are the major components of the minerals that make up the Earth's outermost layer.
What was the major contributor of oxygen to earths early atmosphere?
photosynthsis
What is cytobacteria?
While I do not have a specific answer, I do know it is a big contributor to the Earth for oxygen gas.
What is the biggest contributor to the earths oxygen supply?
The biggest contributor to Earth's oxygen supply is phytoplankton. These microscopic marine plants generate over half of the oxygen in our atmosphere through photosynthesis. Forests and other plants also play a significant role in oxygen production.
What is the major contributor to Earth's albedo?
The major contributor to Earth's albedo is clouds. Cloud cover reflects sunlight back into space, which helps to cool the planet by reducing the amount of solar radiation that is absorbed by the Earth's surface.
Who was the major contributor to the realism theory?
who are major contributors of realism?
What effect does oxygen and sulphur have on the Ph of the sea?
Oxygen has a negligible effect on pH, likewise pure sulfur. However ... Sulfa oxides added to water form sulphuric acid, a major contributor to acidic oceans.
What major gases are in Earth?
Nitrogen and Oxygen are the primary gases. Nitrogen consists of around 76% and Oxygen 22%
Who is the major PBS-TV contributor?
koch
What gas is 21 percent of earth atmosphere?
Oxygen
What is the earth biggest element?
The most abundant element on (and in) earth is iron.
Hypertension is a major contributor to what?
Stroke and heart disease
Who was the major contributor to the closing of the us frontier?
railroads.
