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De nos jours la France utilise de plus en plus des énergies renouvelables. Après avoir témoigné le COP21 il va sans dire que la France est un pionnier avec ses idées pour sauver la planète. En France l'ut...

I choose this question because I remember it being one that confused me and my classmates greatly during the transition between GCSE and A-level. At GCSE, your answer is black and white. You're often aske...

Lungs contain millions of alveoli which act as the gas exchange surface for the body, O2 is absorbed and Co2 is excreted by the body via the lungs which contain a large number of small 'air sacs' known as...

2cosx - sinx = Rcos(x+a) = Rcos(x)cos(a)-Rsin(x)sin(a)

Implying

2cos(x)=Rcos(x)cos(a)

Rcosa = 2

Similarly: Rsin(a) = 1

Therefore tan(a) = 1/2

Meaning a=26.57 Degr...

WTO (originally the GATT), is an organisation, set up during the Bretton Woods Conference of August 1944, that attempts to liberalise world trade and prevent a slide to protectionism that was seen during ...