Answer:
a. It can be used for photosynthesis.
Explanation:
Since carbon dioxide is needed in the photosynthesis process, then much of the carbon dioxide which is produced by green plants is not always excreted in form of metabolic waste because it can be easily used in the photosynthesis process.
Anything that you can do to harm yourself.
If this is true or false question. It is False.
1.punctuality
2.responsibility
3.self-reliance
4.confidence
5.presence of mind