D is the correct answer since all others are highly unlikely.
The answer would be tissues.
Answer:
E) Certain environments can lead to an increased risk of developing certain diseases.
Explanation:
The lesson states that specific environments can increase the chance of health problems.
<span>When the surface layer was dug up, the permafrost was exposed. When the weather warmed, this exposed permafrost would have melted and become soggy, causing the ground underneath the tracks to shift.</span>
The answer is A. Habitat !