The use of carbon stores, such as fossil fuels, forests, and soils, directly affects atmospheric CO2 levels. When we burn fossil fuels or deforest land, carbon that was previously stored is released into the atmosphere as CO2, increasing greenhouse gas concentrations. This rise in CO2 contributes to climate change and can disrupt natural carbon cycles. Conversely, preserving and restoring these carbon stores can help mitigate atmospheric CO2 levels.
i don know
False.
10 feet
The amount of oxygen released into the atmosphere has not noticeably increased in recent years. The amount of oxygen (O2) in the atmosphere is about 21%. It is part of the earth's oxygen cycle, the main driver of which is photosynthesis. Vegetation removes carbon dioxide (CO2) from the atmosphere, releases the oxygen (O2) and stores the carbon (C).
A growing tree absorbs carbon dioxide (CO2) from the atmosphere and stores the carbon in its roots, trunk, branches and leaves. It usually takes decades, sometimes hundreds of years before it becomes a fully grown tree. By the end of that time about half its weight is carbon. When the tree is burnt it releases all that hundred years of carbon into the atmosphere in a matter of minutes. If we burn trees quicker than new trees grow to replace them (loss of forest land to agriculture, deforestation, etc.) the amount of CO2 will increase in the atmosphere.
i don know
i don know
Our use of carbon stores releases stored carbon dioxide into the atmosphere through activities like deforestation and burning fossil fuels. This increases the amount of CO2 in the atmosphere, contributing to the greenhouse effect and global warming. Reducing our reliance on these carbon stores can help mitigate these effects.
Respiration (breathing) has no effect on the amount of carbon dioxide in the atmosphere. Breathing is part of the carbon cycle. We take in carbon in our food and drink and we release it again when we breathe. If we eat too much, the extra carbon is stored in our bodies, making us fatter, in much the same way as a tree stores carbon in its wood as it grows.So breathing does not increase or decrease the amount of carbon dioxide in the atmosphere.
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.
About half the body weight of a tree is carbon. The tree absorbs carbon dioxide from the atmosphere, stores the carbon, and releases the oxygen. As the tree grows, it stores more and more carbon.
False.
A carbon sink is a storage for carbon. A tree is a carbon sink because it absorbs carbon dioxide (a greenhouse gas) from the atmosphere, stores the carbon and releases the oxygen. So forests are major carbon sinks which reduce the levels of greenhouse gas in the atmosphere.
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.
Photosynthesis is considered a carbon sink in the ecosystem because it removes carbon dioxide from the atmosphere and stores it in plants as carbohydrates.
10 feet
10 feet