Question

Самый основной круговорот веществ в природе?

Answer 1

Ответ:

Вода,земля,солнце,деревья,животные,насекомые,Пшеница,Фрукты,Пищя.Все это люди получяют и добывают и питаются

Объяснение:

Это все что нужно для природы

Answer 2

The Carbon Cycle: The Main Circulation of Substances in Nature

The main circulation of substances in nature is known as the carbon cycle. This cycle involves the movement of carbon atoms between various reservoirs, including the atmosphere, oceans, land, and living organisms. The carbon cycle plays a crucial role in maintaining the balance of carbon dioxide (CO2) in the atmosphere, which is essential for regulating Earth's climate.

The Carbon Cycle Process

The carbon cycle consists of several interconnected processes:

1. Photosynthesis: Green plants and algae absorb carbon dioxide from the atmosphere during photosynthesis. They convert carbon dioxide and sunlight into glucose (a sugar) and oxygen. This process helps remove carbon dioxide from the atmosphere and store carbon in plant biomass.

2. Respiration: All living organisms, including plants, animals, and microorganisms, release carbon dioxide into the atmosphere through respiration. During respiration, organic compounds, such as glucose, are broken down to release energy, producing carbon dioxide as a byproduct.

3. Decomposition: When plants and animals die, their organic matter undergoes decomposition by bacteria, fungi, and other decomposers. During decomposition, carbon is released back into the atmosphere as carbon dioxide or converted into organic matter in the soil.

4. Combustion: When organic matter, such as fossil fuels (coal, oil, and natural gas), wood, or biomass, is burned, carbon is rapidly released into the atmosphere as carbon dioxide. Combustion processes, including the burning of fossil fuels for energy production, contribute significantly to the increase in atmospheric carbon dioxide levels.

5. Carbon Sequestration: Carbon can be stored for long periods in various reservoirs, such as forests, soils, and the oceans. This process is known as carbon sequestration. Forests, for example, act as carbon sinks by absorbing carbon dioxide through photosynthesis and storing it in tree biomass and soil.

6. Oceanic Absorption: The oceans play a crucial role in the carbon cycle by absorbing carbon dioxide from the atmosphere. This absorption process helps regulate the concentration of carbon dioxide in the atmosphere. However, excessive absorption of carbon dioxide by the oceans can lead to ocean acidification, which has detrimental effects on marine ecosystems.

Importance of the Carbon Cycle

The carbon cycle is essential for maintaining the balance of carbon dioxide in the atmosphere, which is crucial for regulating Earth's climate. Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, contributing to the greenhouse effect and global warming. The carbon cycle helps regulate the concentration of carbon dioxide, preventing excessive warming or cooling of the planet.

Additionally, the carbon cycle is closely linked to other biogeochemical cycles, such as the nitrogen cycle and the water cycle. It influences the growth and productivity of plants, the availability of nutrients in ecosystems, and the overall functioning of Earth's biosphere.

Conclusion

The carbon cycle is the primary circulation of substances in nature, involving the movement of carbon atoms between the atmosphere, oceans, land, and living organisms. It plays a crucial role in regulating Earth's climate and maintaining the balance of carbon dioxide in the atmosphere. The carbon cycle is a complex process involving photosynthesis, respiration, decomposition, combustion, carbon sequestration, and oceanic absorption. Understanding and managing the carbon cycle is vital for addressing climate change and preserving the health of our planet.