Over the last 100 years it has generally shrunk.
In the last 50 years, the Arctic has undergone some very significant changes. Among them are warming, melting polar caps and the conversion of the frozen tundra into wetlands.
how has life changed in the last 300 years
Communication has changed very much in the past 100 years.
in the last 200 years fashion has changed in many wayse.g. in the 1960's the mini skirt was introduced
How has technology changed in the last 5 years articles This doesnt help u now does it :)
Tourism has changed in the past 50 years by 35% and is still on the increase.
Arplanes
the crops
no
The collecting of weather data improved because we got better technology now then we did in the last forty years
more asians!!