Figure 15.18
The two figures presented show surface temperatures over thousands of years (left) and over the last 136 years (right). Why can you clearly see a gradual temperature increase in the figure on the right but see much more variable temperatures in the figure on the left?

Question

Figure 15.18 
The two figures presented show surface temperatures over thousands of years (left) and over the last 136 years (right). Why can you clearly see a gradual temperature increase in the figure on the right but see much more variable temperatures in the figure on the left?

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The Answer of  
Figure 15.18 
The two figures presented show surface temperatures over thousands of years (left) and over the last 136 years (right). Why can you clearly see a gradual temperature increase in the figure on the right but see much more variable temperatures in the figure on the left?

Figure 15.18 the Two Figures Presented Show Surface Temperatures Over Thousands of Over