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The Two pie charts compare how Science students chose majors in   2015 and 2016.

Overall, It can be seen that the major subjects which were chosen by most students in 2015, 2016 were Physics, Chemistry respectively. 

        Regarding 2015,  the percentage of students choosing Physics was the highest, which accounted for 35%. Next, chemistry has a bit lower percentage(30%) compared to Physics. Botany accounted for 25% which was 5% lower than chemistry. Interestingly, the proportion of students studying biology was the lowest, accounting for 10%.

  In terms of 2016,  Chemistry saw a dramatic increase in 2016, and it also accounted for the largest percentage 40%. Next, there was a rapid decrease in physics, from 35% in 2015 to 25% in 2016. And then, The percentage of students studying biology saw a significant rise to 15%. Botany was the less popular chosen subject which decreased strongly from 25% in 2015 to 10% in 2016.