Because the people who make the cigarettes want to kill...cigarettes also heve bug spray in them.
Answer:
C.
Explanation:
Some diseases are caused by mutated genes.
Distress. We know two types of stress, positive (eustress) and negative (distress). Both types of stress have their function and their characteristics. While positive stress is mostly associated with tasks that we find hard to do but very challenging and doable at the same time, distress/negative stress is mostly associated with hard and negative situations which we consider to be extremely hard and negative for us.