Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a . this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to , the integration of world economics and cultures, in the world's more developed countries. this integration requires increased , the responsible use and management of natural resources.

More of the world's population is now concentrated in heavily populated urban areas known as cities. This is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food.

Advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. This integration requires increased sinergies, the responsible use and management of natural resources.

Explanation:

The words to complete the sentences are Metropolitan cities, nomadic hunting.

Explanation:

The densely populated urban areas are referred to as metropolitan cities. Some of the densely populated urban areas are referred to as Greater metropolitan cities or mega pols, etc.  

While now we live a settled life, our native groups in the ancient times have been practicing nomadic hunting, gathering and subsistence agriculture.  

The integration due to the technological advancement is good, though this integration requires large amount of responsibility in usage and management of the natural resources.  

polar areas, such as antarctica or the south pole.