A primary economic activity is one that comes from A. research. B. changing the form of the original material.
C. a service.
D. a natural resource from the Earth.

D. a natural resource from the Earth

Explanation:

The primary sector of the economy extracts or harvests products from the earth such as raw materials and basic foods.

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unknown. best bet to watch it is at kissanime (a lot of popups and has ads and has potential to be a virus not recommended) or crunchyroll (recommended but has ads and has no popups). you will have to wait. i really want netflix to give the other seasons.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.