The Kung San people remained hunter-gatherers because their traditional way of life was sustainable in their environment, providing them with a reliable source of food and resources. Their nomadic lifestyle allowed them to adapt to changes in their environment and maintain their cultural practices over time. Additionally, they have a deep connection to their land and see themselves as an integral part of nature.
Farming allowed hunter-gatherers to settle in one place, leading to a more stable food supply and permanent settlements. This shift from a nomadic lifestyle to a sedentary one also led to changes in social structures, division of labor, and population growth.
Hunter-gatherers were nomadic people who survived by hunting, fishing, and foraging for food. They lived in small, egalitarian groups and relied on natural resources for their survival. Their lifestyle was directly tied to the land and seasonal changes.
Three causes of human migration are economic opportunities, political instability, and environmental factors. Three effects of human migration include cultural diversity, demographic changes, and strain on resources in receiving countries.
Yes, an example would be the current cultural changes against smoking.Years ago, it was common for folk to spit in the street - seldom observed outside the sports field these days.
Sudden changes in environmental conditions.
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Eras are typically divided based on significant historical, cultural, or technological changes that occurred during a particular period of time. These changes can include shifts in political systems, advancements in technology, major societal developments, or cultural movements.
During the Great Oxygenation Event, key environmental changes included the significant increase in atmospheric oxygen levels, leading to the oxygenation of Earth's oceans and the formation of ozone layer in the atmosphere. This event occurred around 2.4 billion years ago and had a profound impact on the evolution of life on Earth.
Generally, the data source you're thinking of is ice cores.
Paleoclimatology is the area of Earth science that examines the physical and biological changes that have occurred in Earth's past. It uses evidence such as ice cores, tree rings, and sediment layers to understand past climates and environmental conditions.
environmental changes that inspired southern migration ("Earth and It's People" - Bulliet, crossley, headrick, hirsch johnson, Northrup)
it can spread new ideas by cultural diffusion.
Trees that once covered hillsides have been cleared for space and fuel. Also, soil erosion has been caused by overgrazing by sheep and goats.
Fossils provide information about past environmental conditions. Fossils that provide indirect (proxy) information on past environmental conditions are called paleo-indicators. Certain types of plants, for example, require specific temperature and moisture conditions in order to thrive
Chemical Change.