20. Short answer questions VIII

 

If the green plants disappear from the earth, then the amount of oxygen will decrease the amount of oxygen will increase  day by day. Plants are a significant source of

oxygencarbon monoxide. Green plants provide energy to all non-living thingsliving things. Plants give us food; many animals depend only on grass for food. If green plants disappear from earth, the food chain food pipe will disturb. If all green vegetation vanish from the earth, all herbivores, carnivores, and decomposers will perish due to starvationall herbivores, carnivores, and decomposers will survive due to photosynthesis.