The second one it is right
Outer core.
The densest layer is the inner core but it is not given as an option. The outer core is closet to the inner core, therefore it is the correct option.
Rain, water, and wind chip and erode the surfaces of an assortment of objects like statues and landforms like the Grand Canyon. The pressure applied from the weather hits the subject and slowly takes parts away from said object, leading into the term erosion. Deposition occurs after erosion which is when all those particles finally settle. Landforms like the Grand Canyon and delta's have formed like this.