Economic Sectors Explained: Agriculture, Industry, and Trade

Primary Sector: Agriculture, fisheries, livestock, mining, and raw materials obtained. Secondary Sector: Industry, processing raw materials. Tertiary Sector: Health (medical), transportation, education, retail (shops), administration (staff). Extensive Agriculture: Takes place in large areas of land. Intensive Agriculture: Takes place in small areas of land. Monoculture: A single plant crop such as rice or corn. Polyculture: Devoting the same land to different crops. Minifundio: Tiny tracts of land. Estates: Large tracts of land. Major Crops: Wheat (Europe), rice (East), corn (America). Tropical crops such as coffee (Brazil, Colombia), cocoa (Africa), and tea (India, China, Ceylon). Types of Herds: Sheep (Australia and Russia), beef (India, USA, Russia), pigs (China, Russia, USA), and poultry. Inshore Fishing: Takes place near coasts. Fishing Height: Should be performed at sea. (The highest concentration of fish is near ocean currents, both cold and warm). Largest Fleets: China, USA, Spain, Russia.Important Fishing Areas: Atlantic, Pacific, and tropical seas; Peru; coast of Africa, America, and Oceania. Important Energy Sources: Petroleum (Middle East, Asia, USA, Mexico, Venezuela, Russia, Africa). Non-Renewable Energy Sources: Coal, oil, natural gas, electricity, thermal, nuclear, and hydroelectric. Renewable Energy: Wind, tidal, solar, and geothermal. Energy: Ability to do work. Obtaining Electricity: Hydro, thermal, or nuclear. Major Industries: Textile, food, and steel.Trade: Tertiary sector activity; there are two types: interior and exterior. Commerce of a Nation: Transportation, economy, population, food. PNB (GDP): Total amount produced in a year.

Largest Economic Sector Importance: Developed countries (primary and secondary sector), developing countries (primary sector, which is the basis of their economy). Important Airports: Paris, London, New York, Tokyo, Madrid, and Frankfurt. Distribution of Media Transportation: Centralized network and linear. Existing Trade Basis: Transportation network, economy, population, banking, and commerce.This has been the Most Important Economy in Spain: Agriculture. Some circumstances under which agriculture is not the most suitable are relief, climate, and soil quality. Major Crops: Cereals, olives. Main Minerals: Found in mountainous borders of the plateau. Main Sources of Energy: Hydroelectric and coal. Spain is among the top 15 industrialized countries. Because there are Few Natural Harbors: The coasts are not straight, and therefore there are many ports, which is very expensive.