Mary and ron are discussing the properties of water. mary says that when water freezes, it becomes less dense than liquid water. ron says it becomes more dense. who is correct and why?

ron, because ice molecules are smaller than liquid water molecules

ron because ice sinks in liquid water

mary, because ice molecules are larger than liquid water molecules

mary, because lakes and ponds freeze at the bottom first

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.

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?

Will ! a cell containing a 3% sucrose solution is placed into a beaker containing a 7% sucrose solution. assume the cell’s membrane is permeable to water, but not permeable to the sucrose. where will the water diffuse? explain.