Seudónimo Seudónimo 06-01-2016 Biology contestada Help! Carbon dioxide and temperature. The CO2 value in 48000 BC was 278ppm and the value in 400 BC was 285ppm. the temperature anomoly in 48000 BC was -1.6°C and in 400 BC it was 0°C. what is the Change and Rate of Change per year for both?