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Q. |
What is a disease vector? |
A. | An organism that transmits a disease-causing agent |
B. | A type of bacteria that causes severe illness |
C. | A contaminated food or water source |
D. | A person who carries a disease but shows no symptoms |
Answer» A. An organism that transmits a disease-causing agent | |
Explanation: A disease vector is an organism, like a mosquito or rat, that transmits a disease-causing agent from an infected individual to a healthy individual. |
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