which of the following charges in climate has not already occurred?
a.74°c increase in average global temperature over the last century
b.0.17m rise level during the 20th century
c.A decrease in the sea use around antarctica
d.Fewer cold days and frost and more frequent heat waves over the last 50 years



which of the this country has the highest per capita carbon dioxide emissions ?
a.Unites states
b.Australia
c.Saudi Àrabia
d.China



which of the following activities contribute the most to carbon emissions globally?
a.Agriculture
b.Transport
c.forestry
d.energy supply

❥❥❥❥❥❥❥❥❥❥ ​