Recursos educativos earth página 130

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Summaries - Energy
EduBook Organización
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1. Energy Energy is the power that causes change in things and allows us to carry out work. Energy is produced by energy sources. The main source of energy on Earth is the Sun. Energy exists in several…
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Unit 5: Weather and climate
EduBook Organización
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Altitude (n): the height of land measured from sea level. atmosphere (n): a gaseous layer that surrounds the Earth. climate (n): the atmospheric conditions that exist in a region over a long period of…
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Introduction - Climate and vegetation in Spain
EduBook Organización
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Most of Spanish territory is located in the temperate zone of the Northern Hemisphere. This is why Spain's climate is generally temperate. On the Iberian Peninsula, factors like distance from the…
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Learn. [...]
EduBook Organización
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The environmental costs of energy production Pollution of the environment due to the way we obtain and use energy produces adverse effects like the following. Acid rain Contaminating, harmful gas…
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Overfishing
Laia Docente
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Over three quarters of our planet are covered by the oceans. Their biodiversity is unmatched and they contain over 80 percent of all life on earth, mostly unexplored. Millions of people worldwide are…
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Rock types
EduBook Organización
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Sedimentary rocks Common salt is made when sea water evaporates. It is extracted from salt mines. Sandstone is a sedimentary rock made up of grains of sand that are held together by other mineral…
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Parts of the atmosphere
EduBook Organización
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The atmosphere is a layer of gas with a variable thickness. It surrounds the Earth. There are five parts, or layers. The five layers of the atmosphere are the troposphere, the stratosphere, the…
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The feudal nobility
EduBook Organización
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2.1. The king and his vassals According to the Church, monarchs were the representatives of God on Earth. Their mission was to govern their people and maintain a unified kingdom. The territory of the…
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The exploitation of natural resources
EduBook Organización
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4.1. The exploitation of resources The rise in population has generated demand for farmland and natural resources. In recent years, we have started to understand the need to conserve the Earth's…
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Heat and temperature
EduBook Organización
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What is heat? Heat makes an object hotter. It always travels from hot objects to cold objects. Sources of heat Sources of heat produce heat. There are artificial sources and natural sources. Some…
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