Why was Alfred Wegner's theory of continental drift not widely accepted by the scientific community at first? A
He had no evidence to support it.

B
The continents were not moving at that time.

C
The shape of the continents did not match up.

D
He could not explain how the continents move.

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.