Respuesta :
The particles within a colloid is "B" are small enough to not settle out.
Answer: The correct answer is option (b).
Explanation:
Colloids : They are defined as solution is which the particles are uniformly suspended in a medium.
- The size of colloids particles ranges from 1 nano meter to 1000 nano meters.
- Due to small size of particles they does not settle down.
Hence, the correct option is (b).