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The fluctuation in atmospheric CO2 levels throughout the year is primarily caused by the seasonal cycle of plant growth and decay. During the growing season, plants absorb CO2 through photosynthesis, reducing the levels in the atmosphere. In the winter, when plants are dormant and decomposing, CO2 is released back into the atmosphere, leading to an increase in levels.

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Related Questions

How does the atmospheric pressure at altitudes sea level compare with atmospheric pressure at sea level?

the atmospheric pressure below sea level is highter (novanet)


How does the atmospheric pressure below sea level compare with atmospheric pressure at sea level?

It is greater.


What is the atmospheric pressure at sea level in pascal?

The atmospheric pressure at sea level is approximately 101,325 pascals.


Is atmospheric pressure higher on a mountain or sea level?

The answer is sea level. Because atmospheric pressure decreases when altitude increases


How does the sun's energy influence global weather patterns?

Creates thermal Gradients (different temperatures within adjacent masses). This causes expansion of the warmer mass and thereby mechanical motion that builds until it significantly alters winds and evaporation of water.


What fraction of atmospheric pressure at sea level is atmospheric at La Paz?

La Paz, Bolivia, is situated at a high altitude of approximately 3,650 meters (about 11,975 feet) above sea level. At this elevation, the atmospheric pressure is significantly lower than at sea level, typically around 60-65% of atmospheric pressure at sea level. Therefore, the fraction of atmospheric pressure at sea level that is present in La Paz is roughly 0.6 to 0.65.


What is the atmospheric pressure at sea level in units of 100 kPa?

The atmospheric pressure at sea level is typically around 101.3 kilopascals (kPa).


Is atmospheric pressure higher on a mountaintop or sea level?

sea level


Does water boil faster at sea level than on the top of a mountain?

Water boils faster at sea level because there is higher atmospheric pressure, which increases the boiling point of water. At higher altitudes, such as on top of a mountain, the lower atmospheric pressure causes water to boil at a lower temperature, which means it takes longer to boil.


Is a boy born with testerone?

Yes males are born with a low level of testosterone. It starts in the womb, Estrogen causes a fetus to become a girl & elevated Testosterone causes a fetus to become a boy. Males have a higher level of Testosterone throughout their lives & females have a higher level of Estrogen.


Which atmospheric level is farhtest from the lithosphere?

thermosphere


What is the pressure above sea level in mmHg?

The atmospheric pressure at sea level is typically around 760 mmHg. As you increase in altitude above sea level, the atmospheric pressure decreases. For example, at 5,000 feet above sea level, the atmospheric pressure may be around 625 mmHg.