Topsoil contamination
species eradication
ground water contamination
three examples are provided. a serious environmental problem is the destruction of
a) farms.
b) grassland.
c) human housing.
d) irreplaceable resources.

irreplaceable resources

Explanation:

The destruction of other given options does not cause any irreversible damage to the environment.  

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)

it would lead to upper respiratory infections and pneumonia.