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Estimate (!) the number of atoms in the Sun given that it takes the light about t=8.3 min to reach us.

Use the following constants: light speed in vacuum c=3 10^8 m/s , gravitational constant G=6.67408 × 10^{-11} m^3 kg^{-1} s^{-2} and Avogadro's constant A =6.02214086 × 10^{23} mol^{-1}.Assuming that Earth m...
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When do I use Ser and Estar

'Ser' is used for: Descriptions, Occupations, Characteristics, Time, Origins and Relationships'Estar' is used for: emotions, physical or mental conditions, locations, positions and actions In general, 'ser' ...
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Answered by Hugo B. • Spanish tutor
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Wie baue ich einen deutschen Aufsatz auf?

Wie baue ich einen deutschen Aufsatz auf? There are two ways to structure an EssayEinleitung Hauptteil 1) Linear which means presenting one side of the debate and building up the strength of your arguments-T...
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Answered by Emily R. • German tutor
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You are writing to your German pen pal about your hobbies. Include topics like: Music, Sport, Shopping, the Internet. Word limit: 40 words.

This type of writing exercise requires you to use very clear and simple language. All the required topics must be included. For every topic covered you can receive up to ten marks so it will be important to ...
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Answered by Emily R. • German tutor
3409 Views

Outline and explain 2 arguments for changes in the status of childhood [10 MARKS]

The march of progress view argues that childhood has improved with De Mause (1974) stating that “the history of childhood is a nightmare from which we have only recently begun to awaken”. He points to the hi...
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Answered by Hazel H. • Sociology tutor
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