Notes, summaries, assignments, exams, and exercises for Geology for Baccalaureate

Risk of Flooding: Natural Phenomena and Impacts

Floods are natural phenomena, occurring almost periodically in coastal or continental areas due to increased water levels and waterlogging potential. Flood-prone lands are typically near water channels that converge within a vast watershed.

Causes of Flooding

Natural Causes

• Climate and Weather: Cyclones, rapid melting of ice and snow, or climates with marked periods of drought followed by torrential rain fronts.
• Obstruction of Natural River Channels: Blockages that impede water flow.

Human Causes

• Direct:
  • Works in the riverbed: dykes, dams, and pipelines.
  • Dam breaks and sudden water releases from reservoirs.
  • Mining works.
• Indirect:
  • Deforestation and loss of vegetation.
  • Poor cultivation practices and erroneous

Plan de Marketing y Estrategia Comercial

Plan de Marketing: En el documento se describen los objetivos comerciales, reflejando la empresa, el establecimiento, los recursos y medios adecuados para lograrlos.

Elementos del plan

Elementos:

• Análisis de la situación inicial: la empresa necesita saber cuál es su punto de partida antes de actuar.
• Objetivos: planteamiento de los objetivos que la empresa desea conseguir.

Análisis FODA (SWOT)

Debilidades, amenazas, fortalezas y oportunidades (SWOT): detecta los puntos débiles de la empresa antes del nuevo plan, las amenazas, los puntos fuertes y las oportunidades en el mercado.

Estrategia y segmentación

Estrategia: describir cuál es el mercado objetivo de la empresa y su posicionamiento.

Producto

Producto:

Bronze and the Silicon Age

1. Bronze is an alloy obtained by mixing copper and tin in small quantities. 2. Why do we speak of the Silicon Age? It is because silicon resulted in the revolution of integrated circuits.

Coltan: A Strategic Mineral

3. Coltan is one of the most famous strategic minerals. It is formed by tantalite and columbite and is characterized by its properties as a superconductor. It is resistant to heat and corrosion, possesses a great capacity to store electric charge, and releases it slowly. It is used in mobile phones, computers, and the aerospace industry.

Properties and Applications of Metals

4. Metals are very tough and ductile; they have high thermal and electrical conductivity, high density, and are magnetic. They are used...

Tatro after 1936

After the war, the dramatic situation was shaped by the time constraints of the era, the "please the public" demands of the market, and strict censorship (the censura). The Tatro of this period can be classified as follows:

1) Immediate postwar theatre (1940s)

a) The triumphant commercial theatre

The commercial theatre of the decade followed these trends:

• High comedy of the Benavente style. Its works share some traits: a lack of depth in the treatment of its themes, a focus on plot over ideas, and a triumphalist, conformist outlook.
• Authors of this trend include Edgar Neville, Alfonso Paso and others.
• Theatre of humour or comic theatre, whose most important authors are Jardiel Poncela and Miguel Mihura. Their works distinguish themselves

Economic and Agricultural Concepts

Gross National Product (GNP)

A term used in economics to reflect the monetary value of the annual flow of goods and services.

Polyculture

The cultivation of various plant species on the same farm.

Artisan and Industrial Production

Production is the technical transformation of one good into another, including all changes that increase the utility of goods.

• Artisanal: Characterized by a predominance of manual labor and small firm size.
• Industrial production: Joint processing of goods by mechanical means.

Production in Series

A production system in which each worker or group of workers deals with one specific aspect of the finished product.

Transport Networks

All circulation systems for both passengers and goods, which serve...

Urbanización Industrial en España (1850-1975)

Desde mediados del siglo XIX hasta la crisis económica de 1975, el crecimiento urbano en España fue significativo. Los principales factores que impulsaron este desarrollo fueron:

• Factores administrativos: La nueva división territorial en provincias.
• Factores económico-sociales: El nacimiento y desarrollo de la industria moderna, que atrajo a la población campesina hacia las ciudades.

Este proceso se puede dividir en cuatro etapas clave:

• Hasta mediados del siglo XIX: La concentración demográfica en las ciudades era limitada. El crecimiento urbano era débil y se manifestaba principalmente en las capitales de provincia.
• Desde mediados del siglo XIX hasta la Guerra Civil: La tasa de urbanización

Economic Importance of Tourist Activity

Tourism is a phenomenon that generates the displacement of population for reasons of leisure, recreation, health, and cultural knowledge, and relates to other activities such as rest and sports. Tourism became a mass phenomenon from the 1950s due to increased living standards of the population, changing social and cultural values, and the improvement of transport media and infrastructure.

Currently, tourism is one of the main economic activities of our country. It generates enough jobs and occupies almost 9.3% of the active population. It contributes 11% of the GDP, which is why it is one of the main pillars of economic prosperity. It compensates for the slowing trade balance in external politics and debt....

Observing the Cosmos

Astronomers use telescopes to observe space. Optical telescopes capture light from stars or reflect light and magnify images. With radio telescopes, radiation emitted by galaxies, stars, and planets is captured. But the Earth's atmosphere blurs and obscures the image. As a result, many astronomical observatories are usually placed on mountain tops to minimize atmospheric interference.

Space Travel and Vehicles

To escape Earth's enormous gravitational pull, the power of a rocket is needed, launched from launch pads.

Rocket Launches

The first satellite launched was Sputnik 1 in 1957, followed by the first manned spacecraft, Vostok 1, in 1961. Currently, rockets like the Ariane place payloads such as:

• Manned spacecraft
• Space probes
• Satellites
• Space

The body's immune system employs various defense mechanisms to protect against pathogens and foreign invaders. Among these are the nonspecific defenses, which act with great rapidity. There are four primary types:

Inflammation: The Body's Rapid Response

If a foreign barrier is surpassed, it causes inflammation, a passive and active response consisting of pain, heat, and swelling of the affected area. The process involves:

• 1. Stimulus Input: An initial stimulus triggers the response.
• 2. Mediator Production: Affected inflammatory cells produce mediators such as histamine, bradykinin, and prostaglandins.
• 3. Tissue Action: These mediators act on the affected tissue or area, causing:
  • An increase in the number of leukocytes in the blood.
  • Vasodilation.
  • Increased

Chapter 5: Prehistoric Europe's Ice Age Legacy

The Mammoth's Return from the Cold

Buried mammoths, preserved in the icy soil of the tundra (permafrost), are still brought to light by river erosion or human excavation. Not only the bones of mammoths, but in many cases, more or less complete remains of their skin, hair, flesh, and viscera have been found.

Mammoths (Mammuthus primigenius) known by our Cro-Magnon ancestors in Iberia were not as tall as today's African elephants, but they possessed formidable defenses and tusks that curled in spirals. Their heads were somewhat pointed. Naturally, their ears were small, adapted to the cold. Woolly mammoths had thick hair for protection from the cold, along with a thick layer of fat under their skin....