Question

a Are there any years where the amount of ice Increaseu? Which yearAnswerb. What is the percent change from 1991 to 2016?Answerc. Even though there are exceptions, would you say in general the amount ofarctic ice is increasing or decreasing?Answer

Answer 1

SOLUTION

a ) Are there any years where the amount of ice increased? Which year?

Yes.

Between 1991 and 1996 - ( From 6. 47 to 7. 58 )

b ) What is the percent change from 1991 to 2016?

$\begin{gathered} \text{percent change = }\frac{6.47\text{ - 4. 53}}{4.\text{ 53}}\text{ x 100} \\ =\text{ }\frac{1.94}{4.\text{ 53}}\text{ x 100} \\ =\text{ 42. 8256} \\ =\text{ 42. 83 \% ( to 2 decimal places )} \end{gathered}$



c ) Even though there are exceptions, would you say in general the amount of Arctic ice is increasing or decreasing?

From the table above, the amount of Arctic ice is decreasing.