Did you ever get the awnser to this question cause im stuck on it too
Answer:
The particle model represents particles by small, solid spheres.It describes the arrangement, movement and energy of particles in a substance. The model can be used to explain the physical properties of solids, liquids and gases.
I believe the answer is D
SUPPORT: The bones support the main frame of the human body to keep its shape.
PROTECTION: The bones protect certain organs such as the brain protected by the cranium.
MOVEMENT: Allows strength in moving muscles.
PRODUCTION: Bone marrow produces red blood cells.
STORAGE: It stores minerals like calcium.
