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Planting more trees and preserving forests would help maintain the world's oxygen supply. Trees absorb carbon dioxide and release oxygen through the process of photosynthesis, making them crucial for balancing oxygen levels in the atmosphere. Supporting reforestation efforts and reducing deforestation are key activities to sustain the oxygen supply.

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Which activity would be best keep the worlds oxygen supply from decreasing?

Planting more trees and preserving existing forests is the best way to maintain the world's oxygen supply. Trees absorb carbon dioxide and release oxygen through photosynthesis, helping to balance the oxygen and carbon dioxide levels in the atmosphere. By protecting and expanding forest areas, we can help mitigate the decrease in the world's oxygen supply.


What is most of the worlds oxygen produced by?

Most of the world's oxygen is produced by phytoplankton in the ocean. These microscopic marine plants carry out photosynthesis, using sunlight to convert carbon dioxide into oxygen. Phytoplankton play a vital role in producing oxygen and supporting marine ecosystems.


What is the worlds most important endothermic reaction?

The most important endothermic reaction is photosynthesis, where plants use sunlight to convert carbon dioxide and water into glucose and oxygen. This process is essential for producing oxygen, removing carbon dioxide from the atmosphere, and providing energy for plants and other organisms in the food chain.


How much clean water does the world have?

The world's total water supply is estimated to be around 1.4 billion cubic kilometers, but only about 2.5% of this is fresh water. Of the fresh water, only a small fraction is easily accessible and clean for human use.


When will the worlds supply of coal run out?

Not for a long time. Some areas which have stopped mining coal for various reasons still have millions of tons underground which can be accessed using more modern methods to extract the fuel without sending men underground.