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Stalin’s failure to abide by the agreements made at Yalta and Potsdam caused the Cold War? (IGCSE 2016)

Tackling a question - especially in a high-pressured exam environment - it can be very helpful if you start with a structure and plan; and then use this to arrange your knowledge of a topic as it 'pops in...

Answered by John A. • History tutor

6494 Views

Define the term PPF and illustrate it.

A PPF (Production Possibility Frontier) is a curve showing the maximum combinations of two goods and services produced over a period of time, with all available resources used at maximum efficiency.

Answered by Lochan G. • Economics tutor

1646 Views

A typical question is about energy transfer - Explain the process of convection and give an example of where we can find them

Molecules in the air encounter an energy source, they gain energy and begin to heat up which causes them to vibrate faster and become less dense which causes them to rise. As they rise, they begin to lose...

Answered by Max M. • Physics tutor

2078 Views

Convert 00110001 to Decimal

Ans = 49To solve:Use the binary place valuesWrite each digit of the binary number under each place valueAdd every place value with a '1'This give the answer

Answered by Max M. • Computing tutor

3257 Views