The Hawaiian islands appear to be older at one end of the island chain than the other. What evidence supports this observation? Mark all answers that apply.
The islands have different types of sand.
There is no evidence to support this idea.
The Hawaiian Islands are composed of both active and extinct volcanoes.
The volcanoes on the islands vary in elevation.
The Hawaiian Islands vary in size.

Humans have built artificial levees along the mississippi river to protect themselves and their property from floods. however, these structures also modify inland and coastal regions by disrupting the natural flow of sediment. artificial levees along the mississippi river a. reduce the amount of sediment deposited on floodplains and increase the amount of sediment deposited at the river's mouth. b. increase the amount of sediment deposited on floodplains and decrease the amount of sediment deposited at the river's mouth. c. increase the amount of sediment deposited on floodplains and at the river's mouth. d. decrease the amount of sediment deposited on floodplains and at the river's mouth.