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Final self-evaluation 10 - The Universe and our Solar System
EduBook Organización
- 1778 visitas
Are the following sentences true or false? A medium-sized star ends its life cycle as a black dwarf. Large, dense stars end their life cycles as white dwarfs. Large, dense stars explode and become…
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Initial evaluation 3 - The Earth and the Moon
EduBook Organización
- 1784 visitas
Are the following sentences true or false? The Earth has no satellites. The tides are caused by the rotation of the Earth. From the Earth we only ever see one side of the Moon. Solar eclipses can be…
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Initial evaluation 2 - The Atmosphere
EduBook Organización
- 1783 visitas
Match each substance with its effect on the environment: ozone water vapour carbon dioxide sulphur and nitrogen oxides
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The depletion of the ozone layer
EduBook Organización
- 1773 visitas
In the 80s, a decrease in the thickness of the ozone layer over Antarctica was detected. This rate of decrease has continued. Scientists believe that the original concentrations of ozone will be…
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Melting glaciers
EduBook Organización
- 1772 visitas
In recent decades glaciers and ice caps, which contain most of the fresh water on the planet, have decreased in size. Why do you think many glaciers have reduced in size? What could happen if all the…
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Final evaluation 8 - The Hydrosphere
EduBook Organización
- 1774 visitas
What is the difference between a water purification plant and a sewage treatment plant?
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Final self-evaluation 05 - The Earth, a Living Planet
EduBook Organización
- 1772 visitas
Are the following sentences true or false? Biomolecules are mostly made up of metallic elements. Proteins are used by the body to repair tissue. Nucleic acids are necessary for reproduction.…
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Did you know?
EduBook Organización
- 1777 visitas
Yeasts are microscopic fungi that reproduce by budding. In this process, a protuberance (or bud) forms, which may separate from or remain attached to the parent organism. Yeasts are of great economic…
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Final evaluation 10 - The Plant Kingdom
EduBook Organización
- 1775 visitas
Use the following phrases to explain the difference between monocotyledon angiosperms and dicotyledon angiosperms: seed with a cotyledon – flower with 3 petals or multiples of 3 – leaves with…
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Answer. Lanscapes of the Earth's climate zones 05
EduBook Organización
- 1772 visitas
Describe the two types of cold climate landscapes on Earth. In which landscape is life easier?
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