Why do you think UV intensity changes with latitude?

Because of the angle of the Earth relative to the sun. The higher the sun is in the sky, the higher the UV radiation level.

Explanation:

So, the lattitudes toward the poles that receive sunlight are at an oblique angle, with that being said, the amount of radiation is spread to a larger area than the equator.

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick