Exercising regularly, such as biking to work or walking for thirty minutes
Answer:
Lung cancer, Addiction, Many Health Complications.
Explanation:
(1) tobacco use, (2) alcohol consumption, and (3) unhealthy diet and physical inactivity.
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
