carbon back造句

• I'd expect animals would be needed to get this carbon back in circulation from there.
• Forest fires release absorbed carbon back into the atmosphere, as does deforestation due to rapidly increased oxidation of soil organic matter.
• The action of the rotting returns quite a lot of that carbon back to the atmosphere ( as carbon dioxide again ).
• So other researchers are pursuing a simpler approach, sticking the carbon back into the coal mines and oil fields from where it came.
• And whatever the feedstock, whether trees or grasses, using it makes room for new growth, which will draw carbon back out of the atmosphere.
• With practiced precision I then would have grabbed up new copy and carbon paper and snapped the new original with two carbons back into the typewriter.
• So the plant pulls carbon out of the air, and then when it is burned as fuel, it returns the same carbon back into the air.
• By breaking down dead organic matter, decomposers release carbon back to the atmosphere and facilitate nutrient cycling by converting nutrients stored in dead biomass back to a form that can be readily used by plants and other microbes.
• Venus has the densest atmosphere of all the terrestrial planets, consisting mostly of carbon dioxide, as it has no carbon cycle to lock carbon back into rocks and surface features, nor organic life to absorb it in biomass.
• But such severe ice ages are unlikely to happen again for two reasons : the sun is about 7 percent hotter, and higher life forms continuously cycle carbon back into the atmosphere, maintaining a gas blanket that warms the planet.
• In one approach, researchers are investigating ways to remove carbon chemically from industrial and automotive emissions before they are released to the atmosphere, then to sequester it at some other way station in the natural carbon cycle _ by injecting the removed carbon back into underground reservoirs or into the ocean, for instance.