False.......I did this in my lesson
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.
It’s #2 hope this helps !
Excitatory neurotransmitter? This question is too vague.