Cartels are difficult to operate for which of the following reasons? Firms in a cartel are likely to lose money. They are illegal worldwide. They work only if members keep to their agreed output. The products are perfectly competitive.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.