It gives and provides us w oxygen
Answer: Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure. Although much less abundant than nitrogen and oxygen in Earth's atmosphere, carbon dioxide is an important constituent of our planet's air. A molecule of carbon dioxide (CO2) is made up of one carbon atom and two oxygen atoms.
We need the entire question to answer it
Answer:
An association between two organisms in which one benefits and the other derives neither benefit nor harm.
Explanation:
