Can you think of any problems that could come from using only 15 years of data to predict trends for the next 100 years? How could you prevent some of these problems?

first check the data

Explanation:

if 15 year data shows loss or less grades or anything related then u need to do hardwork and change it if it shows positive or profit or hood grades or anything related u don't need to panic and not relax but do more practise or hardwork to get more or be stable on it. and if it is mixed then my friend u need to do hardwork here as hardwork is the key to succes.in less grades one u need to practice a lot

in good hrades u need to keep it the same or increase only a little and in mixed u need to do hardwork accordingly.

can you give a picture of the map, i'll be able to update my answer!

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

hope it : )