Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

Alike oxygen, which is chemically changed by our bodies into carbon dioxide, nitrogen is merely exhaled back into the air.

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9