The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called

saltation
suspension
traction
solution

The correct answer is A. saltation.

Saltation is a type of particle transport that occurs in granular flows. It is a process where particles move from the surface to the medium in quick, continuous, repeated cycles. The particles are lifted up by the turbulent eddies in the flow and then fall back to the surface. This process is repeated over and over again, resulting in the particles moving up and down in the flow.

Saltation is an important process in many natural and industrial systems. It is responsible for the transport of sediment in rivers and streams, and it is also used in some industrial processes, such as the mining of coal.

The other options are incorrect.

  • Suspension is a type of particle transport where the particles are suspended in the medium. The particles are too small to settle out of the medium, and they are kept in suspension by the turbulent eddies in the flow.
  • Traction is a type of particle transport where the particles are dragged along the surface by the flow. The particles are in contact with the surface, and they are moved along by the friction between the particles and the surface.
  • Solution is a type of particle transport where the particles are dissolved in the medium. The particles are small enough to dissolve in the medium, and they are transported along with the medium.
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