how are plants and tree human and animal in getting fresh air
Answers
In order to maintain life, human being have to take in oxygen and expire carbon dioxide.If the carbon dioxide in the air is too high, people would hardly breath and be toxicated. Plants are the only creature in the world to photosynthesis, besides, it is the absorber of carbon dioxide and producer of oxygen.
There are other plants which can take in toxic gas like sulfur dioxide and carbon monoxide. Besides, some plants could even take in some harmful radiation to human body, such as the cactus put in front of the computer could take in large amount of radiation sent out by the screen.
Explanation:
Plants give out oxygen and take carbon dioxide during the process of photosynthesis this oxygen is in taken by the animals and human beings they again give out carbon dioxide which is again received by the plants for their food process. Hope it helps
