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Climate Data Analysis help pleeease!!! (quick Q!)

Hi im doing this climate data analysis course and am stuck on these three questions, im not sure what data i need to compare:

1 - the strongest controllers of CO2 flux are albedo and sunlight. These strong controllers are tightly correlated with Air temperature, and dominate a plot of Air T vs CO2 flux. This does not mean that Air T is not a secondary (somewhat weaker) controller of CO2 flux it just means that it’s harder to see whether Air T helps control CO2 flux. Analyze the data to determine whether air temperature directly controls daytime CO2 flux during the active growing season.

(2) The strong correlations between sunlight and wind speed and between sunlight and CO2 flux confound the analysis of the effect of wind speed on CO2 flux. Analyze the data to determine whether wind speed directly controls daytime CO2 flux.

(3) The strong correlations between Day of Year and albedo and between albedo and CO2 flux confound the analysis of the effect of Day of year on CO2 flux. Does day of year controls daytime CO2 flux independently of albedo?


So for each one which data sets should i compare???? im so stuck :'(

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