Fossil fuels (coal and methane)
Carbon dioxide in the oceans primarily comes from the atmosphere. Some of the carbon dioxide from the air dissolves into the ocean water. However, smaller amounts can come from respiration of sea animals and other miscellaneous sources. The atmosphere is by far the largest source of carbon dioxide in ocean water, though.
The most important source of carbon entering atmosphere is industries. Living things, burning fossil fuels and automobiles are other sources of carbon dioxide.
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NADPH
plants provide food and plants provide carbon dioxide
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The most important source of carbon entering atmosphere is industries. Living things, burning fossil fuels and automobiles are other sources of carbon dioxide.
When carbon dioxide is a gas, the molecules repel each other. When carbon dioxide is a solid the molecules do attract each other, and bond in a crystalline structure.
plants do not change carbon monoxide into carbon dioxide. they, on the other hand, convert carbon dioxide in to oxygen.
Animals depend upon plants to produce oxygen (photosynthesis), to absorb carbon dioxide (plant respiration), and as a food source. Even animals that eat other animals (carnivores) depend on plants as a food source, as that is likely what their prey eat to survive.
Carbon dioxide is a compound of Carbon and Oxygen - CO2
Dry ice is frozen carbon dioxide, or in other words it is the solid form of carbon dioxide.