Unlike mosses and ferns, seed plants are able to live on mountains and in deserts. why did this ability allow seed plants to replace mosses and ferns as the dominant form of plant life?

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

What materials must dams have to produce electricity, and what must occur?

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.