Answer :
Final answer:
The island of Kauai is older than the island of Hawaii due to the formation process of the Hawaiian Islands, which involves a hot spot creating a chain of volcanic islands. The age difference is based on the direction of plate movement over the hot spot. Both islands are still undergoing geological processes.
Explanation:
The island of Kauai is older than the island of Hawaii because of the formation process of the Hawaiian Islands. The Hawaiian Islands are formed by a hot spot, which is a place on the Earth's surface where a plume of hot mantle material rises up through the crust, creating magma that eventually erupts as volcanic activity. As the Pacific tectonic plate moves over the hot spot, it creates a chain of volcanic islands.
The hot spot has been active for millions of years, and over time, it has created a 3500-kilometer-long chain of volcanic islands, with the newest islands forming at the southeast end and the oldest islands eroding away on the northwest end. Kauai is located at the northwest end of the chain, making it older than the island of Hawaii, which is located at the southeast end. The age difference between the two islands is due to the direction of plate movement over the hot spot.
It's important to note that these islands are still actively forming and changing due to volcanic activity and erosion. While Kauai may be older than Hawaii, both islands continue to experience geological processes that shape their landscapes.
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