Need answer now plz

which statement best describes how you measure density?

a. density is measured directly using a balance.

b. density is measured indirectly using a ruler.

c. density is measured indirectly in grams.

d. density is measured indirectly and is calculated by dividing mass by volume.

What is the most appropriate method of gaining weight (muscle mass)

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.

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce