Tell how a sand dune and an alluvial fan are alike. Tell how they are different.

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

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.