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3. Which of the EM waves below is used to remove most forms of microbiological contamination from water?
A. Infrared
C. Radio waves
B. Microwaves
D. Ultraviolet Rays
4. Which of the following devices below can be used to detect aircrafts and ships?
A Communication Tower
C. MRI
B. GPS
D. RADAR
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3. Which of the EM waves below is used to remove most forms of microbiological contamination from water?

A. Infrared

C. Radio waves

B. Microwaves

D. Ultraviolet Rays

Letter B. is the answer

_________________________________________

4. Which of the following devices below can be used to detect aircrafts and ships?

A. Communication Tower

C. MRI

B. GPS

D. RADAR

Letter D. is the answer

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