"Geodesy" is a science that measure's the Earth's shape, gravity field, and where it lies in space. The father of geodesy is considered to be Al-Biruni, a mathematician and scientist who lived during the Islamic Medieval period. Which choice most effectively combines the two sentences? Choose 1 (Choice A) A

"Geodesy" is a science that measure's the Earth's shape, gravity field, and where it lies in space. The father of geodesy is considered to be Al-Biruni, a mathematician and scientist who lived during the Islamic Medieval period. Which choice most effectively combines the two sentences at the underlined portion?

A. A science that measures the Earth's shape, gravity field, and where it lies in space, "geodesy" is the father of Al-Biruni, a mathematician and scientist of the Islamic Medieval period.

B. During the Islamic Medieval period—when Al-Biruni, a mathematician and scientist, lived—"geodesy," a science that measures theEarth's shape, gravity, field, and where it lies in space was discovered.

C. The father of "geodesy," a science that measures Earth's shape, gravity field, and where it lies in space, Al-Biruni is considered the father during the Islamic Medieval period when he was a mathematician and scientist.

D. Al-Biruni, a mathematician and scientist of the Islamic Medieval period, is considered the father of "geodesy," a science that measures Earth's shape, gravity field, and where it lies in space.

D.  Al-Biruni, a mathematician and scientist of the Islamic Medieval period, is considered the father of "geodesy," a science that measures Earth's shape, gravity field, and where it lies in space.

Explanation:

Considering the original sentence, it is apparent that the meaning of that sentence is about a mathematician and a branch of science. A brief story about the mathematician and a brief definition of the branch of science was given. Hence, combining the two, the correct sentence is therefore given as option D: Al-Biruni, a mathematician and scientist of the Islamic Medieval period, is considered the father of "geodesy," a science that measures Earth's shape, gravity field, and where it lies in space.

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