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Why does the carbon dioxide you breathe out rises?
Even though Carbon Dioxide gas is the heaviest of the gases that make up our atmosphere. Breathing them out of your lungs heats up those Carbon Dioxide molecules to your body temperature and this helps them to rise into the atmosphere and as they cool they fall.
Why do carbon dioxide levels change seasonally?
Carbon dioxide levels change seasonally due to the natural processes of photosynthesis and respiration in plants. During the spring and summer months, plants take in carbon dioxide for photosynthesis, which reduces the levels in the atmosphere. In the fall and winter, when plants go dormant or lose their leaves, respiration releases carbon dioxide back into the atmosphere, causing an increase in levels.
Does the level of carbon dioxide rise or fall in a room over time?
The level of carbon dioxide typically rises in a room over time as people exhale carbon dioxide as they breathe.
Why does atmospheric carbon dioxide concentration exhibit an annual cycle?
The annual cycle of atmospheric carbon dioxide concentration is mainly due to the natural processes of photosynthesis and respiration in plants. During the spring and summer months, plants take in carbon dioxide for photosynthesis, which reduces the concentration in the atmosphere. In the fall and winter, when plants go dormant and decay, they release carbon dioxide back into the atmosphere, causing an increase in concentration. This cycle repeats annually, leading to fluctuations in atmospheric carbon dioxide levels.
What causes average global surface temperature to rise and fall from year to year?
because global warming and greenhouse gasses like co2 carbon dioxide.
When a person hyperventilates does the level of carbon dioxide in the persons blood rise or fall?
It falls.
Does CO2 gas rise or fall in the atmosphere?
Carbon dioxide (CO2) gas rises in the atmosphere.
Does carbon dioxide rise or fall in the atmosphere over time?
Carbon dioxide levels in the atmosphere have been rising over time due to human activities such as burning fossil fuels and deforestation.
What are two harmful factors associated with the use of fossil fuels?
Carbon dioxide emissions which are causing global warming and climate change.Other pollutants emitted (sulfuric, carbonic, and nitric acid) which fall to the ground as acid rain.
What does photosynthesis require so plants can reduce global warming?
Plants reduce global warming by absorbing the carbon dioxide that causes global warming. Annuals release the CO2 they absorb. Deciduous tree leaves take up billions of tons of CO2 each spring, but release that CO2 back into the air each fall as they die and rot. Trees in general pull CO2 out of the air, and hold if for hundreds of years. It takes energy to harvest those trees, saw them into lumber, and build homes out of them. But in general trees are a good way to sequester atmospheric carbon.
How are forests able to remove carbon dioxide from the atmosphere and store it for years?
All trees and different types of vegetation can. The trees and plants don't store all of the carbon dioxide for years because some plants die, and some trees drop leaves in the fall. What happens is in the summer when the trees get new leaves and grow more wood in the form of branches and a larger trunk, then they store a lot of carbon dioxide. However, in the fall, when the leaves fall and they decompose, a portion of the carbon dioxide is released back into the atmosphere. The majority of the carbon dioxide is stored, or sequestered, in the wood of the trees and the remaining parts of the plants (such as stems, roots). That is until they are consumed by rotting, or decomposing, or by being burned. Then the carbon dioxide is released into the atmosphere once more. Since trees live a very long time, a lot of carbon dioxide is stored for a very long time.
Where does most of the atmosphere oxygen come from?
From plant life. Animals including humans exhale carbon dioxide. Carbon dioxide is a heavy gas and fall to the ground. Whereupon it is absorbed by plant life. Under the process of photosynthesis, carbon dioxide in the plant is broken down into carbon and oxygen. The carbon is retained in the plant as biomass, and the oxygen is released back into the atmosphere, for animals to breathe. It is all part of the oxygen/carbon cycle.
