5.12 Climate Change 0.0 / 5 ? BiologyClimate Change and EvolutionA2/A-levelEdexcel Created by: NatashaLuisCreated on: 09-10-19 12:00 define climate change significant change in the weather of a region, ususally over a period of several decades 1 of 7 what are the types of evidence for climate change? temperature records, pollen in peat bogs, dendochronology and ice cores 2 of 7 define a peat bog mass of partially decomposed organic matter 3 of 7 why is the rate of decomposition slow in a peat bog? the lack of oxygen and acidic conditions reduce aerobic respiration of bacteria and their ability to survive 4 of 7 how does rainfall affect tree ring growth? more water=more photosynthesis=more glucose=more cellulose for tissue growth 5 of 7 define correlation relationship between two variables 6 of 7 define causation one variable has a direct impact on another variable 7 of 7
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