Which of these is disadvantage of using models of titanic plate movements? *observation I may from inside the system. *harmful material are used to make models.
*they cannot display exact material and futures. *Actul plate movement affected by the models.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

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.