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Final evaluation 4 - The Earth and the Moon
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List the Earth's layers and their characteristics.
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Initial evaluation 4 - The Atmosphere
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Write the names of these meteorological instruments:
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Answer. The atmosphere 2
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Is it possible to breathe in the upper layers of the atmosphere? Why/why not?
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The formation of the Earth atmosphere
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In the beginning, our planet had no atmosphere. As the Earth cooled, various gases were produced. These gases formed the first atmosphere. Oxygen appeared when the first plants began to produce oxygen…
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Reflect. Pollution and everyday life 1
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Where do the gases that negatively affect the ozone layer come from?
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Answer. Pollution, the environment and health 4
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Name some of the effects on health caused by air pollution.
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Final evaluation 3 - The Hydrosphere
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Name and explain three properties of liquid water that make it essential for living beings.
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Answer. Life on Earth 1.1
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What conditions does the Earth have that permit the existence of living beings?
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Answer. Monera 3.3
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What differences are there between autotrophic and heterotrophic bacteria?
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Answer. The simplest invertebrates 1.1
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Where do sponges live? Explain how they eat.