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It comes from the blood, through the walls of the lung. It gets in the blood from the cells of the body where it is produced.

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Where does plant get the carbon dioxide it needs for photosynthesis?

In the air around you. Carbon dioxide comes from the exhalations of organisms like yourself, decomposition of organic matter and from the burning of hydrocarbons that were taken from the wells and mines.Plants use all this and it diffuses into their stoma from the atmosphere.


Why are nats attracted to humans?

Nats are attracted to humans because of their body heat, sweat, and carbon dioxide emissions, which can signal a potential food source to them. Additionally, nats are also drawn to perfumes, lotions, and other scents that humans wear.


What do the chloroplasts of a green plant use carbon dioxide for?

Carbon dioxide is the source of carbon. It is reduced to glucose


Does ethanol release carbon dioxide when it is used as a fuel source?

Yes, ethanol releases carbon dioxide when it is used as a fuel source.


During photosynthesis plants use what as a carbon source to produce sugars for energy?

During photosynthesis, plants use carbon dioxide (CO2) as a carbon source to produce sugars for energy. Carbon dioxide enters the plant through small openings on the leaves called stomata and is converted into sugars through the process of photosynthesis.


Can you identify whether each process is a carbon source or a carbon sink?

A carbon source is a process that releases carbon dioxide into the atmosphere, while a carbon sink is a process that absorbs and stores carbon dioxide.


What is the difference between a carbon source and a carbon sink in the context of the carbon cycle?

In the carbon cycle, a carbon source releases carbon dioxide into the atmosphere, while a carbon sink absorbs and stores carbon dioxide from the atmosphere.


Why is Carbon Dioxide needed in Photosynthesis?

CO2 is the source of carbon.


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.


What is exclusively a natural source of carbon dioxide?

Volcanoes are an exclusively natural source of carbon dioxide, releasing the gas during eruptions. This carbon dioxide can contribute to the greenhouse effect and affects the Earth's climate.


Which gas is not a source of pollution?

Carbon dioxide


What is the source of carbon found in the glucose resulting from photosynthesis?

The source of carbon in glucose resulting from photosynthesis is carbon dioxide (CO2) taken in from the atmosphere. During the process of photosynthesis, plants use sunlight to convert water and carbon dioxide into glucose and oxygen. The carbon atoms in glucose come from the carbon dioxide molecules that plants absorb.