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The removal of cell waste
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- 2079 visitas
4.1. What does excretion consist of? Cell activity produces waste products like carbon dioxide or urea. These substances are toxic for the organism if they accumulate. The function of excretion is…
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Think about it. Reproduction in mammals
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- 2076 visitas
Remember what you have studied in this section and answer the questions: What are the advantages of a) a long gestation period, and b) being born in the spring or summer? Describe the new-born offspring…
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Analyse. Learn which part of the plant is sensitive to light
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- 2078 visitas
An ecosystem is an area where certain living things live under certain environmental conditions. Therefore, there are many different ecosystems on Earth. Find an ecosystem close to your home or school,…
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Classify. Metals and non-metals
EduBook Organización
- 2083 visitas
Look at the diagram and answer the questions: Classify the elements in the table into metals and non-metals. Oxygen Nitrogen Chlorine Bromine Zinc Sulphur Sodium Iron Copper Gold Say what the physical…
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Classify. Types of movement
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- 2090 visitas
Indicate the type of movement in each case: Neptune orbiting the Sun. A parachutist jumping from the aircraft before opening his parachute. A parachutist with an open parachute, falling at a constant…
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Unit 9: Motion and forces
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- 2095 visitas
Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…
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The denial of rights to women
EduBook Organización
- 2085 visitas
Should women exercise political rights and interfere in the affairs of government? No, because they should sacrifice these issues to concentrate upon those which they are destined by nature. The private…
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Final self-evaluation T02 04 - Liberal revolutions and nationalist movem...
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Match each definition with the correct concept: The separation of the Church and state. Jacobin law that controlled prices and salaries. Public figure during the Napoleonic period that governed the…
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Describe. Steam engine
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- 2084 visitas
Explain how a steam engine worked. What energy source did it use? How was the movement transmitted to the loom room?
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Initial evaluation T6 04 - The age of imperialism
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Are the following sentences about colonial organisation true or false?: All the colonies had the same administrative and political status as the metropolis. In the exploitation colonies the metropolis…
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