2 a) b) Study Figure 2, a table showing forest cover in Terra Spoglio between 1970 and 2010. Using Figure 2, calculate the percentage change in forest cover between 1970 and 2010. Figure 2 The total area of Terra Spoglio is 19 million hectares. What percentage of Terra Spoglio was covered by forest in 1990? Year 1970 1980 1990 2000 2010 Area of forest cover remaining (million ha) 5.42 5.40 4.89 4.61 4.04​