Which is the best description of nomads? a. they move from one place to another in search of jobs. b. they migrate from one world region to another. c. they have no permanent home. d. they travel in search of good hunting and bring their kill back to their villages.

Option: C. They have no permanent home.

Explanation:

The term nomads are referred to a group of people who has no permanent place to call home, they travel according to the seasonal change. It is seen that most of the nomads are pastoral nomads means they move one place to another in search of pasture for livestock. Nomads can be found in the regions of  tundra, steppe, or in ice and sand.

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explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)