important
unique
unchangeable
awful
Answer is Right!
Answer is Wrong!
The correct answer is C. unchangeable.
Decay is a natural process that occurs to all living things. It is the process of breaking down or deteriorating over time. Decay can be caused by a number of factors, including age, disease, and injury. It is an inevitable part of life and cannot be stopped.
Option A, important, is incorrect because decay is not necessarily important. It can be seen as a negative process, as it leads to the deterioration of living things.
Option B, unique, is incorrect because decay is not unique to humans. It occurs to all living things.
Option D, awful, is incorrect because decay is not necessarily awful. It is simply a natural process that occurs to all living things.