In the 1960s, the Soviet climatologist and mathematician Mikhail Budyko set out to investigate the potential future of a planet on the brink of nuclear Armageddon. He started by looking some 600 ...
Click to see a step-by-step slideshow. STEP 1: Write the question and circle the key information. Draw a bar and split it into 12 equal segments: the denominator of the fraction. Label the end '/12'.
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