The correct answer is B. After filtration, the lymph from lymph node travels to the subclavian veins, through efferent lymph vessels. The whole transport process is affected by smooth muscle contraction, changes in pressure and opening/closing of valves.
In deserts, the wind picks up small particles and leave behind larger rocks to form Desert pavement. Moving sand may blast rocks and other features to create ventifacts.The sand is transported until it is deposited in a sand dune.
