In the pedigree that is shown, which represents Irene's allele combination?

"the sandy walls seemed to collapse in on themselves"

and

"the bloodshot waters seemed to have no bottom"

there is no excerpt.

put the excerpt in the comments and ill answer.

sheesh111122^^^***

"urban sprawl, the spreading of large developments of housing and shopping areas around a city’s center, has many negative cultural and environmental effects. " (from your link)

so, your answer is: it has a negative effect on the environment, otherwise known as c~hope this mate.