USA HISTORY

MANIFEST DESTINY 1806 1855

THE OREGON TRAIL WESTWARD MIGRATION TO THE PACIFIC OCEAN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A grass covered area of land that is flat
A
landmark
B
prairie
C
churning
D
epidemic
Explanation: 

Detailed explanation-1: -Prairies are enormous stretches of flat grassland with moderate temperatures, moderate rainfall, and few trees. When people talk about the prairie, they are usually referring to the golden, wheat-covered land in the middle of North America.

Detailed explanation-2: -steppe. noun. dry, flat grassland with no trees and a cool climate.

Detailed explanation-3: -The prairies in Canada are a temperate grassland and shrubland biome within the prairie ecoregion of Canada that consists of northern mixed grasslands in Alberta, Saskatchewan, southern Manitoba, as well as northern short grasslands in southeastern Alberta and southwestern Saskatchewan.

Detailed explanation-4: -Prairie soils (what scientists call mollisols) are as complex, if not more so, than the prairie community above ground. In Minnesota prairie soils developed since the last glaciers retreated, over the past 10-15 thousand years.

Detailed explanation-5: -Little bluestem dominates uplands and big bluestem lowlands. Together, these two species comprise 80% by weight of tallgrass prairie composition. Other grasses include saltgrass (Distichlis spicata), eastern gamagrass (Tripsacum dactyloides), western wheatgrass (Agropyron smithii), and blue grama (Bouteloua gracilis).

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