Which style of punctuation is currently the preferred style for business letters?

Which of the following best indicates the pathway of blood through the heart?

A) Aorta, left atrium, left ventricle, pulmonary capillary B) Pulmonary vein, pulmonary capillary, pulmonary artery, right ventricle C) Vena cava, pulmonary artery, left ventricle, aorta D) Right atrium, left atrium, left ventricle, right ventricle

Which of these strategies relates to creating a new attitude?

a. Think of it as giving something up b. Create an aura of being tired c. Think of it as conquering a problem in a new and different way d. None of the above