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Answer. States of matter and their properties 1.4
EduBook Organización
- 2000 visitas
Explain why the three states of matter have different properties.
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Water vaporisation and evaporation
EduBook Organización
- 2000 visitas
Vaporisation, or boiling, only occurs at the boiling point (100°C). The whole volume of water that is boiling vaporises. Evaporation occurs when only the particles on the surface of the liquid change…
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Explain. Separation of mixtures 03
EduBook Organización
- 1994 visitas
Can we separate water and sand using evaporation? Can water and oil be separated using evaporation? Why/why not?
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Calculating volume and mass
EduBook Organización
- 1988 visitas
A block of granite is 30 cm high, 40 cm wide and 50 cm in length. The granite density is 2.6 g/cm3. What is the mass of the granite expressed in kilograms? To solve the problem, we do the following…
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Match. Distribution of water
EduBook Organización
- 1988 visitas
Match each part of the hydrosphere with the percentage it represents. fresh water liquid fresh water salt water groundwater surface water glaciers
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Choose. Classification of living things
EduBook Organización
- 1999 visitas
Decide what type of organisms the following living things are. cyanobacteria euglena paramecium Penicillium notatum pine Ulva lactuca
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Complete. Ferns
EduBook Organización
- 1993 visitas
Complete the following sentences with the missing words: Ferns are plants. The of ferns are called fronds. Ferns are examples of -flowering plants. The sporangia of ferns that produce are found on the…
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Interpret. Organisation of the United Nations
EduBook Organización
- 1992 visitas
Look at the diagram and answer the questions: How are the UN's Security Council and General Assembly related? Which UN body deals with problems between countries?
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Answer. The most important companies in the world 01
EduBook Organización
- 1 lo usan
- 1777 visitas
Which countries are home to the world's biggest companies?
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Final self-evaluation 09 - The economic organisation of society
EduBook Organización
- 1999 visitas
Choose the correct option: What is the main agent of production and distribution in the economy? Which companies are linked to mining, industry and construction? What is the result of the spending to…