Key Concepts in Archaeology and Ancient History
Key Archaeological and Historical Definitions
Defining Artifacts and Eras
- Artifact: An object created or modified by a human being, possessing cultural or time-based importance.
- Stone Age: A prehistoric period lasting approximately 3.4 million years, ending around 4000–2000 BCE. It is divided into three stages: Paleolithic, Mesolithic, and Neolithic.
- Neolithic Age: The final stage of the Stone Age, characterized by the use of polished tools and the spread of agricultural practices.
- Bronze Age: A historic
Environmental Studies, Sustainability & Ecosystems
Environmental Studies
Environmental studies is multidisciplinary in nature, integrating knowledge and methods from various fields such as ecology, biology, chemistry, geology, economics, sociology, and political science to understand and address complex environmental issues. This multidisciplinary approach is essential because environmental problems are influenced by diverse physical, biological, social, and economic factors and cannot be solved by a single discipline alone. [1]
The scope of environmental
Read MoreWhat are the two stages of development of the Greek Civilization
Spanish-
urban hierarchy:
* National Metropolis are the cities of Madrid and Barcelona, play the roles of high quality services, high technology …
* Metropolis regional, metropolitan areas are Valencia, Seville, Bilbao. Occupy the positions of high rank, have a regional catchment area.
* Sub-metropolis, cities play specialized sub-catchment area.
* Cities averages are provincial capitals and cities specializing in industrial or commercial functions, less-specialized functions, provincial catchment
The employer shall conduct” + “risk assessment
Roles of International agency
1. Provide early warning systems & global alerts 2. Set international guidelines like Sendai Framework 3. Offer rapid relief teams such as UNDAC & IFRC 4. Supply humanitarian aid including food, water, shelter 5. Give financial assistance through World Bank, ADB, IMF 6. Conduct post-
disaster damage & needs assessment (PDNA) 7. Support technical expertise, research & training via UNDP, WHO 8. Coordinate cross-border disaster response among countries 9.
Sericulture and Silkworm Rearing: Production and Biology
Sericulture: Definition and Economic Importance
Sericulture is the rearing of silkworms for the production of silk. It is a farm-based, labor-intensive, and commercially profitable agro-industry that provides employment and income to rural people, especially women and small farmers.
Main Scopes and Benefits of Sericulture
- Employment Generation: Provides year-round jobs to farmers, reelers, weavers, and traders.
- Rural Development: Boosts the rural economy through cottage industries.
- Export Potential:
Sub-Saharan Africa and North America: Geographic Profiles
Chapter 7: The Sub-Saharan African Realm
1. Africa: Physical Geography and Climate
- Size: Africa: 11.6 million sq. miles; USA: 3.6 million sq. miles.
- Physical Geography: Characterized by “continentality” (far from moisture sources), lack of a major mountain backbone, presence of rift valleys, and often described as a “plateau continent.”
- Climate Classification:
- A (Tropical): Af (Rainforest), Am (Monsoon), Aw (Savanna).
- B (Dry): BW (Desert), BS (Steppe).
- C (Mesothermal/Temperate): Csa/Csb (Mediterranean,