I think it’s B hope this helps sorry if I’m wrong
Skin cancer. Prolonged exposure to ultraviolet radiation from the sun can lead to melanoma and other skin malignancies. Clear evidence establishes ultraviolet radiation, especially the non-ionizing medium wave UVB, as the cause of most non-melanoma skin cancers, which are the most common forms of cancer in the world
Answer:
limit the bug bites and contact with infected birds
Explanation:
One way they could limit the bites is a way ther're already doing it with bug screens when they sleep over the beds, that and bug spray.
the birds could be solved with feeding stations outside of civilizations and scarecrows in the towns.
The lens is a separate part of the eye. Rods, cones and fovea are all in the retina.
Collagen
is a protein fiber that is found in the matrix that lies outside the bone
cells. Population of these collagen fibers that scattered through the matrix are
embedded in a gel-like ground substance called hyaline cartilage, which
is flexible but avascular and contains no nerves or blood vessels.