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Origen i formació del lèxic
EduBook Organización
- 1715 visitas
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Think about it
EduBook Organización
- 1723 visitas
Make a diagram showing the order of events from pollination to fertilisation. Which system of pollination is better, insect or wind? Debate. What is the advantage and disadvantage of coevolution as seen…
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Classify. Physical and Chemical stimuli
EduBook Organización
- 1724 visitas
Indicate whether these are physical or chemical stimuli: Smell of vinegar. The temperature of water. The amount of carbon dioxide in the blood. The taste of salt. The feel of clothing. Light and the Sun.
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Final Autoevaluation 6.03 - The natural environment. Ecosystems
EduBook Organización
- 1718 visitas
Choose the correct word to complete the sentence or answer the question: Light is necessary for organisms that make... The growth of plants toward light is an example of... Light does not influence...…
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Write. Names and formulas (1)
EduBook Organización
- 1719 visitas
Write the formula for each of these compounds: Nitrogen tribromide Sulphur dioxide Carbon tetrafluoride Lithium bromide
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Calculate. Matter and its properties (1)
EduBook Organización
- 1718 visitas
84 g of nitrogen reacts with hydrogen to form 102 g of ammonia. Calculate the mass of the hydrogen required for the reaction. g of hydrogen.
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Mass and weight. Gravitation
EduBook Organización
- 1717 visitas
4.1. Gravitation Gravitation (or gravity) between two bodies with mass is the force of attraction experienced by those bodies due to their mass. The greater the mass of the bodies, the greater the force…
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Order. Types of substances
EduBook Organización
- 1718 visitas
Look at the following table of specific heats measured in kcal / (kg · ° C): Organise the time (low to high) required to heat the following materials: copper, aluminium, sand and water. Will the order…
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Look. Constitution of 1791
EduBook Organización
- 1723 visitas
Use the diagram to describe the power structure in the Constitution of 1791.
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Complete. Agricultural transformations
EduBook Organización
- 1728 visitas
Complete the sentences about agricultural changes in the middle of the 18th century with the missing words: A series of Enclosure were passed in Great Britain that enclosed open and common land,…