Which of the following changes to Earth's surface is most likely to represent space and time on the smallest scale? A landslide on a mountain
Uplift of mountain ranges
Breakdown of rock into sediments
Formation of a canyon

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.