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How does the amount of carbon dioxide vary around a plant over 24 hour period?
Wiki User
∙ 10y ago
When conducting photosynthesis, plants make food using carbon dioxide, water and light. There will be less CO2 during the times when light shines on the plant.
Wiki User
∙ 10y ago
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What events occur during the Calvin cycle?
The Calvin Cycle has 3 series of reactions. They are Carbon Dioxide fixation, Carbon dioxide reduction, and regeneration of the first substrate RuBP ( ribulose 1,5 bisphosphate). It also produces ATP. Glucose is its outcome which is G3P (glyceraldehyde-3-phosphate).
Can implantation occur after your period?
yes around 11 days after
Can implantation bleeding occur day period is due?
Yes, normally it occurs 6-12 days past ovulation but it might be confused with a period cause it can happen around the time a period is due.
Your period only last 3 days what is your cycle?
to tell when your cycle is the first day your period come on til the next time and come on this will give you the amount of days that is in your cycle and then you will not your cycle the amount of day you bleed does not tell you your cycle but i will say this since you cycle is 3 days you may have 26 or 28 day cycle
How long is the incubation period of alzheimer's?
It is unknown how long the incubation period is for Alzheimer's but what is known is that around 70% of the brain that is affected by the disease is damaged before the first symptom is usually noticed.
How does the carbon cycle keep the amount of carbon dioxide constant in the atmosphere?
In pre-industrial times, the amount of carbon dioxide (CO2)that animals breathe out was matched by the amount absorbed by plants, so that the concentration of atmospheric carbon dioxide remained remarkably stable in the range of 260 to 280 parts per million (ppm) over a very long period. Adding additional carbon dioxide by burning fossil fuels, overwhelms the carbon cycle and causes the atmospheric concentration of carbon dioxide to rise beyond this range. Deforestation can break the carbon cycle, first by removing a store of carbon which will be released as additional carbon dioxide into the atmosphere, and in some cases by reducing the ability of nature to absorb carbon dioxide from the air.
What happens to the carbon dioxide produced by your body during the period of apnea?
Carbon dioxide levels increas
How much co2 does a tree absorb per year?
Almost half the mass of a tree is carbon, taken from the atmosphere in the form of carbon dioxide. A tree only takes in carbon when it is growing, and the amount that a tree grows in a year varies from tree to tree. Old trees are bigger and grow more than young trees in a year, usually.
What might decrease global atmospheric carbon dioxide?
There is no known way that humans can economically remove carbon dioxide from the atmosphere; all we can really do is reduce our emissions of carbon dioxide and slow down the rate at which atmospheric carbon dioxide levels are increasing. The surface waters of the ocean do absorb some carbon dioxide from the atmosphere as atmospheric carbon dioxide level increase, but there is little interchange betwen the warm upper ocean and the deep layers. However over a period of several thousand years, there is sufficient interchange to absorb large volumes of carbon dioxide, allowing the atmospheric concentration to return more or less to normal. Afforestation. Planting trees will remove carbon dioxide from the atmosphere.
Explain how people are adding carbon dioxide to the atmosphere?
There is a natural cycle in which animals add carbon dioxide to the air and plants remove it, thus maintaining a stable concentration of carbon dioxide over a very long period of time. Humans are part of this natural cycle. Since the start of the Industrial Age, humans have been adding additional carbon dioxide to the atmosphere, increasing the proportion by around 35 per cent, from 260-280 parts per million (ppm) to the present 380 ppm. We do this by burning fossil fuels, manufacturing cement and by deforestation. We can reduce our impact on carbon dioxide concentrations by reducing and eventually eliminating our consumption of coal, oil and natural gas, by finding alternative processes for cement manufacture, including the capture and sequestration of gas produced, and by ceasing deforestation - even allowing some forests to return.
How do oceans decrease the amount of atmospheric carbon dioxide?
As the atmospheric concentration of carbon dioxide increases above its long-term average level, the surface water of the oceans begins to absorb more carbon dioxide from the atmosphere, thereby partly countering the addition of carbon dioxide to the atmosphere. This is demonstrated by the rising acidity of sea water, since dissolved carbon dioxide becomes carbonic acid. However, there is very little interchange of water between the warm surface layer and the deep ocean, so very little of this carbon dioxide is dispersed into deeper water. Scientists say that the anthropogenic increase in atmospheric carbon dioxide level could be absorbed by the ocean, but only over a period of several thousand years.
In nature during a 24houre period green plants continuously use?
In a 24-hour period green plants continuously use carbon dioxide and energy.
What was the atmosphere like in Cambrian period?
Oxygen Levels were approximately 10% of what they are today. As photosynthesis only began in the Precambrian period the amount of carbon dioxide and oxygen in the atmosphere would be very small compared to modern times. In fact, human's probably wouldn't have been able to breath.
Is carbon dioxide deadly in high concentration?
It is not toxic or anything. But, if you breathe only carbon dioxide with no oxygen for a sustained period of time, you will die from a lack of oxygen.
When were carbon dioxide levels as high as they are today?
The last time atmospheric carbon dioxide levels were as high as they are today (approx. 380 ppm (parts per million)) was around 15 million years ago, during the Middle Miocene period, when carbon dioxide levels are calculated to have been around 400 ppm. During that time there was no permanent ice in the Arctic and very little over Antarctica or Greenland. On top of that, sea levels were between 75 and 120 ft higher than they are today and world temperatures were higher by between 5 and 10o F.
How did the oceans reduce the carbon dioxide levels?
The oceans help to keep the carbon dioxide level in the atmosphere low by dissolving a large portion of CO2 from the atmosphere. Unfortunately, the increased CO2 in the atmosphere is causing the oceans to become more acidic.
Which planet is hotter than Mercury has a longer period of rotation than revolution and has an atmosphere of about 97 percent carbon dioxide?
mercury
