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The main source of atmospheric oxygen, on Earth, is cyanobacteria (aka "blue-green algae") in the ocean. According to NASA, it is responsible for 90% of the conversion of CO2 (carbon dioxide) into O2 (oxygen) that we breath.
Most of the other 10% is converted by other forms of algae, and saltwater/freshwater plants in general. Land plants actually do not produce enough O2 to even make up for the amount consumed by the bacteria and chemicals among their own roots.
Cyanobacteria, regular algae, and plants all do their conversion of carbon dioxide into oxygen using a process called "photosynthesis", in other words the creation (synthesis) of energy (sugars) from light (photo). Higher order plants do this by actually hosting a sort of cousin of cyanobacteria (called chloroplasts) in their own cells.
Photosynthesis is the main source of atmospheric oxygen; but some may come from water vapour being split into oxygen & hydrogen by ultraviolet radiation.
What else can I help you with?
Which atmosphere gas is photosynthesis the major source of?
Oxygen is the major source of photosynthesis in the atmosphere. During photosynthesis, plants and other photosynthetic organisms convert carbon dioxide into oxygen through the process of photosynthesis. This oxygen is then released into the air, replenishing the levels in the atmosphere.
What do you think is the source of oxygen in our atmosphere?
The source of oxygen in our atmosphere is primarily from photosynthesis, a process carried out by plants, algae, and some bacteria. During photosynthesis, these organisms use sunlight to convert carbon dioxide and water into oxygen and glucose. This process is essential for maintaining the oxygen levels in our atmosphere.
What is the source of oxygen in photosynthesis in plants?
The source of oxygen in photosynthesis in plants is water. During the light-dependent reactions of photosynthesis, water molecules are split into oxygen, protons, and electrons. The oxygen is released into the atmosphere as a byproduct of this process.
What serves as the carbon source for photosynthesis?
Carbon dioxide (CO2) serves as the carbon source for photosynthesis. Plants absorb carbon dioxide from the atmosphere and use it in combination with water and sunlight to produce glucose and oxygen through the process of photosynthesis.
The products of photosynthesis?
The products of photosynthesis are glucose and oxygen. Glucose is used as a source of energy for the plant, while oxygen is released into the atmosphere as a byproduct.
What are three things must be present to produce a fire?
Oxgen, Fuel and a heat source
Is there oxgen on Mount Everest?
yes but not as much because the air is thiner
Why is your cabrio 2002 using so much gas?
Change your oxgen Sensors and plugs. This is what worked for me.
The is the source of all energy in our atmosphere.?
The source of all energy in our atmosphere is the sun.Some energy is reflected back into space, some is absorbed by the atmosphere, some is absorbed by land and water on Earth's surface (all of the above) When Earth receives energy from the Sun.
What are the three conditions necessary for burning substance?
1. Oxygen. 2. A heat source; Eg. Flame, Heat, Spark. 3. A medium to physically burn.
What is the other source of calcium?
the atmosphere
What is the source of energy for our atmosphere?
The Sun.
How much of the incoming solar radiation that reaches the upper atmosphere is immediately reflected back to space?
Six percent is immediately reflected by the atmosphere.(Source: NASA.See the related question below.)
What is the source of the embryo's food?
An embryo plugs into it's Mothers blood supply through the placenta. The embryo gets all it's nutrition and oxgen through this connection.
Is oxgen organic?
inorganic
What gas was missing from earth's early atmosphere?
Oxygen was missing from Earth's early atmosphere. Instead, it mainly consisted of nitrogen, carbon dioxide, and water vapor. Oxygen levels increased over time due to the emergence of photosynthetic organisms.
What is the source of much of the oxygen the atmosphere?
plant-like plankton in the ocean put out most of the oxygen in the atmoshere as a waste-product of photosynthesis.
