question archive Try to use data from the most recent year available
Subject:Computer SciencePrice: Bought3
Try to use data from the most recent year available.
A) What is the current concentration of CO2 in Earth's atmosphere in units of parts per million? When, in the last 1000 years, has the CO2 level been this high?
B). How much Carbon Dioxide do the people of Earth add to the atmosphere in one year?
C.) Which four countries contribute the most CO2 to the atmosphere?