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Recursos educativos
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Cálculos con la superficie 3
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Una finca tiene un olivar que ocupa 3 ha, un trozo de secano de 8 ha 25 a y una casa de 600 ca. ¿Cuál es el área de la finca, en metros cuadrados? El área de la finca es m2.
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Medida de ángulos, operaciones 29
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Las medidas de tres ángulos consecutivos son: AOB = 43° 11' 12", BOC = 25° 22" 50" y COD = 13° 28' 34" Calcula la medida del ángulo AOD. El ángulo AOD mide ° ' ".
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Problemas 3
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Un edificio en llamas tiene una ventana situada a 6 m de altura. Para llegar a ella, los bomberos utilizan una escalera que debe estar apoyada en el suelo a una distancia de 1,1 m de la pared del…
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True/False. The Solar System
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Answer true or false: There are three dwarf planets. The eight planets are divided into three groups. The smallest planet is Venus. The asteroide Belt separates the inner planets from the outer planets.
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Answer. Calculate distances
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Note the distance (in km) between two points on a map separated by...: 2 cm at a scale of 1: 1 000: km 4 cm at a scale of 1: 1 000 000: km 6.8 cm at a scale of 1: 25 000: km 5,9 cm at a scale of 1: 50…
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Choose. The Theory of continental drift (2)
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Consult the website again about continental drift and indicate which evidence the author of the theory found to support his hypothesis about the existence of a single continent in the distant past:
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Average annual rainfall
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Precipitation maps have imaginary lines called isohyets. The isohyets connect places on the Earth's surface with the same amount of precipitation. The map shows how: Precipitation is abundant in…
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Match. Elements of the Earth's ecosystem
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Which part of the Earth do the four elements of the ecosystem refer to?: lithosphere hydrosphere atmosphere biosphere
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Observe. Pollution of the environment
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Look at the drawing representing the different polluting agents and do the activities: Where is the cleanest water? And the cleanest air? Where is the water and the air most polluted? Explain how humans…
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Self-evaluation 5 - The Greek world
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What concepts do the following definitions refer to?: An open, communal area of the city were citizens could meet and trade. The part of a Greek city reserved for religious buildings. A large city that…
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