I think it is to D. to explain
Answer:
Salmat po
Explanation:
sorry i can send the answer he said "We dont use rude word here, please change"
Carbon dioxide is transported in the blood in three ways: (i) dissolved in solution; (ii) buffered with water as carbonic acid; (iii) bound to proteins, particularly haemoglobin. Source: https://academic.oup.com/bjaed/article/5/6/207/331369