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Tu portes un uniforme scolaire? Que penses-tu de ça? Tu es pour ou contre l'uniforme?

Oui, je porte un uniforme scolaire. On a deux types: un uniforme pour les jours où on a sport, et un uniforme pour les autres jours. J'aimerai porter mes propres habits, de pouvoir choisir ce que je vais met...
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Answered by Yasmine S. • French tutor
4754 Views

Why do rays of light change direction as they pass from air to a glass block?

Light travels as waves which have a distinct set of properties: a speed, a frequency and a wavelength. These properties are related to each other through the following equation: speed = frequency * wavelengt...
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Answered by Lisa C. • Physics tutor
21427 Views

Solving simultaneous questions, e.g. 3x + y = 11 and 2x + y = 8

The unknowns in a simultaneous equation need to be solved, which in this case are x and y.The method I will be using is by elimination:First, find which unknown has the same coefficient. In this example this...
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Answered by Simran S. • Maths tutor
3227 Views

What are the differences between Autocratic, Laissez-Faire and Democratic leadership styles?

Autocratic - manager exerts control over all decisions and receives very little or no input from employees or group members. Autocratic leaders make decisions based on their own thoughts and rarely seek advi...
Answered by • Business Studies tutor
37266 Views

Explain how red-shift provides evidence for the Big Bang theory.

Red-shift describes the phenomenon whereby the wavelength of light from a source increases as it travels through spacetime, hence observed as being 'shifted' to the red end of the spectrum (as red light has ...
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Answered by Abbie R. • Physics tutor
15366 Views