Bacteria can be both detrimental and helpful to humans, depending on the specific type and effect.

Câu hỏi :

Bacteria can be both detrimental and helpful to humans, depending on the specific type and effect.

A useful   

B fatal            

C productive  

D harmful

* Đáp án

D

* Hướng dẫn giải

Phương pháp giải:

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