Primary activities are directly dependent on what?
People located in icy and extremely hot climates survived on what?
How many important regions is nomadism associated with?
The second region extends over the tundra region of what?
What is the name of the island on which nomadism is based?
What is the process of migration from plain areas to pastures on mountains during summers and again from mountain pastures to plain areas during winters called?
Where do nomadic herders move from south to north in summers and from north to south in winters?
How many types of animals are reared in commercial livestock rearing?
Where is jhum prevalent?
What type of cultivation is done in the tropics?
What is an example of a crop that is dominated by intensive subsidence agriculture?
Who established cocoa and coffee plantations in west Africa?
Where did Spanish and Americans invest heavily in coconut and sugarcane plantations?
The Dutch once had a monopoly over what plantation in Indonesia?
What is the most advanced and efficient type of rearing of milch animals?