An Oceanic Island

question 56

Multiple Choice

An oceanic island:

• A) rises isostatically as it becomes older.
• B) is a seamount that rises above sea level.
• C) is a guyot that forms adjacent to a hot spot.
• D) is composed entirely of terrigenous sediment.

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Definitions:

Macular Degeneration

A progressive disease that usually affects people older than the age of 50. It occurs when the retina no longer receives an adequate blood supply.

Glaucoma

Glaucoma is a group of eye conditions that lead to optic nerve damage, often associated with increased pressure inside the eye and can result in vision loss.

Cataracts

A clouding of the lens in the eye which leads to a decrease in vision.

Presbyopia

An age-related condition in which the eye's lens loses its ability to focus, making it difficult to see objects up close.