Question

While visiting Wave Rock in Australia, you observe steaks of minerals present on the landform. What natural process most likely caused the streaking?
Erosion

Deposition

Oxidation

Weathering

Answer 1

The minerals that are present in the landforms can be attributed  to deposition. Deposition is the accumulation of materials, which are loose sediments and or minerals which are laid down through natural agents. 

The natural agents that aids in this deposition can come as ice, water, wind, etc. 

Answer 2

The natural process would likely be weathering because the natural process of wearing away something little by little is what weathering means. - my answer

weathering :  

wear away or change the appearance or texture of (something) by long exposure to the air. - dictionary.com