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This could be a speaking question, where the student is asked to discuss the positives and negatives of automation, and to take one of these sides during a debate. I would go through generally useful spea...

The tri-cellular model shows how energy is transferred polewards via three cells of air circulation: the Hadley, Ferrel and Polar cells. The Hadley Cell involves the meeting of the trade winds in the Equa...

Firstly, I would discuss the various factors to consider with my student. I would go through all possible points of discussion, and then together we would decide on the three main factors. I would then di...

The central economic problem is scarcity which leads to an opportunity cost. In simple words human wants are infinite but resources are finite (having said that we need to distinguish between human wants ...

Step 1. Draw Pascal's triangle to find the coefficients. 1; 1 2 1 ; 1 3 3 1 ; 1 4 6 4 1. As you can see, each row starts and finishes with 1. The numbers in between are worked out by add...