B problem solver this is correct answer in my opinion
Talk to a therapist, write your feelings in a journal, get a good amount of sleep, exercise, eat healthy, don’t isolate yourself- socialize, meditation, create and stay in a routine, clean and organize the space around you, relax by doing things you enjoy (warm bath, watch your favourite tv show, etc)
The items that can contribute to heart disease is C. Nitrogen oxides and carbon monoxide. These are the chemicals that contribute to pollution. Carbon monoxide is the product from a combustion that can affect our respiratory system whenever we inhale this gaseous chemical. And nitrogen oxides can affect and penetrate areas of the body when inhaled in which our respiratory organs may be affected by diseases because of this chemical.
genes are somewhat related to proteins because genes produce other and different molecules that then assembles the proteins.
