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What are the differences and similarities between osmosis, active transport and diffusion?

Osmosis is a term used to describe the movement of water molecules from a high water potential to a low water potential. Diffusion is similar to this, however it is used to describe the movement of molecules...
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Answered by Joshua C. • Biology tutor
10066 Views

Que faites-vous pour protéger l'environnement?

Vu que j'habite assez près de mon école, j'y vais à pied chaque jour pour essayer de réduire mon usage de ma voiture. En plus, l'année dernière ma famille a installé des panneaux photovoltaïques sur le toit ...
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Answered by Isobel M. • French tutor
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In what ways were the lives of women in Germany affected by Nazi social policies?

The women were affected by the Nazis between the years 1933 and 1939. The Nazis encouraged women to have more children and larger families so that the population would grow. They nearly made a law that famil...
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Answered by Imogen C. • History tutor
15360 Views

Every year many schools and colleges get involved in different activities to support local charities. You would like to raise money for a local charity by organising a summer fun day. Prepare a talk for your class giving details about the charity, the eve

Explain importance of audience look at drafts and suggest ways of improving the piece Focus on vocabulary and literary devices- refer to mark scheme Ensure that the spelling and grammar in the piece is corre...
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Answered by Ffion J. • English tutor
1776 Views

Describe the energy transfers taking place when a person is running up a hill

Stored chemical energy from food is converted into kinetic energy (ke) as the person runs. As they are running uphill, the chemical energy is also converted into gravitational potential energy (gpe). The gpe...
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Answered by Amy T. • Physics tutor
27610 Views