After studying the graph you posted and doing some research there are several tectonic features beneath the moving Pacific Plate that caused the volcanoes to form in both the Loa and Kea trends. A few of the acceptable answers are rising magma, Hawaii Hot Spot, mantle plume, and a hot spot.
The sediments will settle to the bottom of the stream or end up in drainage ditches or any lower elevations on the ground.
Answer:1 will be the answer
Explanation:
