Answer:
A) abandoned tires
Explanation:
Abandonded Tires are not a transboundary health hazard. Exposure to the vapors emitted by raw sewage can lead to gastroenteritis and E.Coli. Dead animal carcasses can carry several diseases that are detrimental or even deadly for humans. Hazardous substances may irritate the skin or eyes, make it difficult to breathe, and even cause cancer.
Explanation:
Keystone species are animals that help manage other animal species by controlling population numbers and biodiversity within an ecosystem. The impacts of keystone species are usually greater than their numbers.
owls can be a great benefit to places where rodent populations are high. Dense urban areas often suffer from an abundance of rats and mice spreading disease, and rural agricultural communities have their crops consumed and soil eroded from burrowing voles and field mice. Without owls, and other top predators, rodent populations could explode and exacerbate the effects they produce.
My best guess would be all the healthy things that can come from the sun