Question

27 multiple choice 1 point which of the following is not effective in preventing dna damage from uv photons? plastics glass your skin pigment melanin water

Explanation:

To solve this, we analyze each option:

• Plastics: Some plastics can block UV, preventing DNA damage.
• Glass: Ordinary glass (e.g., window glass) absorbs UV, so it’s effective.
• Melanin: Skin pigment melanin absorbs UV, protecting DNA from damage.
• Water: Water does not effectively block UV photons; UV can penetrate water, so it does not prevent DNA damage from UV.

Answer:

D. Water (or the option labeled "Water" among the choices)