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Microbiology › ViewHow are viruses different from most other microbes?
A. They are only seen with a microscope.
B. They can cause disease.
C. They have nonliving characteristics.
D. They are only seen with a microscope.
Human Body › View
The alveoli in the lungs cover a approximate surface area of:-
A. 200 square metres
B. 500 square metres
C. 100 square kilometres
D. 100 square metres