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Final self-evaluation 1.2 - Matter and Materials
EduBook Organización
- 2010 visitas
Are the following sentences true or false? Solids cannot be compressed. Gases can be compressed. The forces that hold particles together in liquids are stronger than those in solids. Solids have a…
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Answer. How to measure 3.1
EduBook Organización
- 2004 visitas
Is it appropriate to use a 30 cm ruler to measure the height of a three-storey building? What other instrument would be more appropriate?
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Summaries - The Universe and our Solar System
EduBook Organización
- 2004 visitas
1. The Universe The Universe includes all space and time. In the Universe, there are a lot of stars. Billions of stars together form galaxies. Billions of galaxies form galactic clusters. In addition to…
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Choose. Meteorological maps
EduBook Organización
- 2003 visitas
Are the following sentences true or false? Weather maps show the state of the atmosphere in a particular area. The numbers on isobars are expressed in percentages. The areas of highest pressure are…
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Final self-evaluation 06 - The Earth, a Living Planet
EduBook Organización
- 2005 visitas
Are the following elements characteristic of all cells? cytoplasm chloroplast molecular material nucleus organelle cell wall
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Unit 5: The Atmosphere
EduBook Organización
- 1998 visitas
Acid rain (n): rain or snow which are acidic due to the presence of secondary pollutants. air pollution (n): when the composition of the air changes due to the presence of contaminants. aurora borealis…
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Answer. Classification of living things 2.1
EduBook Organización
- 1999 visitas
The terms for classifying living things are the following: kingdom – phylum – class – order – family – genus – species If we were to compare this system to a Spanish address, what would be…
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Answer. Bacteria and humans 4.4
EduBook Organización
- 2004 visitas
What well-known illnesses do bacteria cause?
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Initial evaluation 1 - The Animal Kingdom (I). Invertebrates
EduBook Organización
- 2003 visitas
Are the following sentences true or false? Coral is an organism that belongs to the plant kingdom. Some worms are parasites of humans. Jellyfish have no spinal column. Snails belong to the crustacean…