Why does the southern hemisphere have lower concentrations of CO2?

if can me great! i'm having little bit of trouble.

carbon dioxide levels in air samples taken south coast of australia, in southern hemisphere, show lower average values found in air samples hawaii taken @ same time. explanation difference?

a)
there little vegetation in australia


b)
australia colder hawaii


c)
there less land in southern hemisphere in northern hemisphere


d)
australia drier hawaii


e)
takes 1 2 years troposphere mix.

if can me great! i'm having little bit of trouble. carbon dioxide levels in air samples taken south coast of australia, in southern hemisphere, show lower average values found in air samples hawaii taken @ same time. most...

Environment Global Warming Next