Question

the patagonian desert recieves scaty rainfall

Answer 1

The Aedes,to this desert's West,are the primary reason for the Patagonian Desert status as they inhibit the Westerly flow of moisture from the Southern Pacific from reaching inland .This creates a rain shadow which is responsible for scanty rainfall in Patagonian Desert

Answer 2

Not only Patagonian desert every desert gets scaty rainfall .Because of the climatic condition .U know that every desert have a hot climate .So there will be less rainfall