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science,math and English

No.500　14/10/18 18:30
名無し0 ( 50代 ♂ ) あ+あ-

【Deep blue plateau changed into the plateau!】

About 6 thousand big buffaloes what is called American bison used to inhabit in the plateau.There were also a lot of wolves and koyotes which predate the buffaloes,or plenty of other animals like prairie dogs,rabbits or weasels there.🐰

However,the area has turned into the gigantic desert.The area isn't what it used to be in the old days.What has made the plateau change into the desert?Did the buffaloes increase so much and eat up all the grass?🐮

As far as the wolves and koyotes which eat the buffaloes inhabited there,the buffaloes wouldn't increase extremely.

《The human race who hunted up all the bisons.》

White people started to hunt the buffaloes from the end of the 18 century.They used to kill the bisons so as to make use of them as food or raw material for clothes then.🍖

However,they learned to hunt the animals as only a recreation.By the way,I made a mistake.The number of the bisons wasn't 6 thousand,but 60 million.😳