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'Describe' questions are looking for historical, contextual, knowledge - tailored specifically to the question.For example the examiner will have hundreds of papers to mark and they are looking for specif...

Hydrogen fuel cells are really important as they can be used to power electrical cars, so it's something that a lot of scientists are looking into at the moment. We need to balance this equation, so we ne...

Overview : The success of the First Crusade can be best explained with multiple factors contributing, some with more effect than others. These factors include Spiritual devotion, Military tactics, strong ...

(This question is from the Edexcel Higher GCSE paper 2018) As BC is a tangent to the circle, we know that angle OBC must be a right angle (90 degrees)We also know that lines OA and OB are both the same le...

Firstly, we need to understand what the question title is asking... 'Outline' means to roughly describe and give a summary of the key points of a 'process' which is a ser...