As the last _slice of Arabian coastal plain bordering the continent's vast equatorial rainforests, the region, known as the Gwadar, is a biologically_ mosaic of forests, savannas, lagoons, lakes, and beaches that, until recently, was virtually unknown to science.

Correct answer: D. undeveloped... rich

A. underdeveloped... luxuriant
B. uncharted... broken
C. examined... plentiful
D. undeveloped... rich
E. explored... abounding

Explanation

- Correct Answer: D - Explanation: The sentence talks about the last slice of Arabian coastal plain that was unknown until recently. The appropriate word to describe this region is "undeveloped" as it suggests a lack of human development.

Last updated 2 September 2026

As the last _slice of Arabian coastal plain bordering the continent's vast equatorial rainforests, the region, known as the Gwadar, is a biologically_ mosaic of forests, savannas, lagoons, lakes, and beaches that, until recently, was virtually unknown to science.

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