Prairies are called granary of the world because it producesand exports the wheat in the highest amount in theworld.

North America is the 3rd largest continent that extendsfrom tropical zone to frigidto zone. It is divided into threedivisions in term of physical features viz the westernmountain, eastern highlands and central lowland. Rockymountainrangeextends from north to south in the westernpart of north Americawhere climate is cool anddry. Thereare old and low lands in the eastern side. And there islow and plain lands between western mountains andeastern highlands wherevastgrassland are found.

There is great diversity in climate and vegetation ofnorth America. The southern and central part of prairies ishot as the northern part is very cold. Central plainsremain very hot during summer and cold during winter.It rain throughout the year in western part ofCanadaand around St, Lawrenceriver. The southern part of USA ishighly influenced by hurricanes. The south-westernpart isdry and there are some deserts. In northern part ofAmericathere is vast evergreen coniferous forest. The central...

The parts of north America affected by natural calamities are:
- Southern part of USA.(hurricane)
- Around St. Lawrenceriver. (flood/landslide)

McKinley ----------> Mountain
Mississippi ----------> River
Niagara ----------> Falls
Superior ----------> Lake
Panama ----------> Gorge
Grand Canyon ----------> Canal

The Grand Banks of Newfound land in the Atlantic ocean and the adjoining coast of the Pacific ocean are themajor fishing areas. The prairiesis famous for theproduction of wheat, maize, etc. Cotton is producedaroundthe Gulf of Mexico. Tobacco is produced in easterncoastal area and the Appalachianregion of USA.

We know, about 49% of total land area of Canada is coveredby coniferous forest. Large number of paper industries arebeing run by using the raw materials obtained from theforest. It is also exporting forests products. Also manymineralbased industries arerunning as mining is oneof main occupation here. Extraction of coal, natural oil,andgas is done extensively done here. Hence, these arethe economic activities ofCanada.

We know, must parts of Canada and US lies in centrallowland of Americawhere plenty of grasslands arefound. These grasslands are favorablefor the rearing ofboth herbivoresand omnivoresanimals. Animal husbandryis most suitable occupation here. So, animal rearing hasdeveloped on large scale in Canadaand in US.

There are diverse economic activities carried by the peopleof north America. The western mountains are covered bydense coniferous forest. So, paper industries, forest products,lumbering and also mining is done here. Many,mineralbased industries are running.Agriculture, floriculture, horticulture and animal husbandry is practiced widely here.Fishingand tourismare alsothe major economicactivities of north America.

The eastern part of Canada and US are more developedthan the western part because:
-More fertile land and cultivablelandis in eastern sidebut rocky land in western side.
-Direct sea route for internationaltrade in easternpart but not in western part.
- Favorable whether with adequate rainfall in easternside for agriculture but not in western side.
- Establishment of lots of industries as the easternside is densely populated and has sea route for tradingof raw materials and products.