A 2. What is feedback in a system? the regulation of a system by the output
the behaviors of the different components of a system
the balance of competing factors in a system
the definition of what is part of the system and what isn't

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

answerlinnaeus;