B. Forces can act on object and cause motion .....
<span>A person must inherit two copies of a defective CF gene -- one copy from each parent -- to have the disease. People who inherit only one copy are considered CF carriers and do not have the disease, but they can pass their copy of the defective gene on to their children.</span>
I think the component is hostility. From most research there is a connection between type A behavior pattern and coronary heart disease. The recent researches show that Hostility is the most toxic component of the type A behavior pattern. Hostility is a better predictor of coronary heart disease in aged men than the variety of other sociodemographic and physiological risk factors including drinking, smoking among other factors.
