The ultraviolet radiations are able to peretreate in a sea as deep as:
Correct answer: C. 200 meters
- A. 40 meters
- B. 400 meters
- C. 200 meters
- D. 5 meters
Explanation
Ultraviolet radiation can penetrate clear seawater to roughly 200 metres, although penetration varies with water clarity and wavelength. The other depths do not represent the commonly cited maximum.
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