Answer:
1. physical and chemical barriers
2.non-specific innate response
3. specific adaptive responses
Explanation:
Answer:
It would definitely be A
Hope this helps and have a good day
Your answer is carbon dioxide because Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. ... During the process of photosynthesis, plants release oxygen into the air.
I hope this helps
