how did the glaciers affect the great lakes

at the top of the great lakes How did the a____ Egyptians build the Great Pyramid How does greenhouse gas affect the Earth How did the Industrial Revolution extert a great influence o How does the ERP affect the operation of the business How does the tilt of the earth affect the climate How many Great Lakes are there? How great the contest 英语翻译How does the stock market affect business investment?The how does the expansion of human population affect the animal how does the amount of sugar affect the fermentation? 英语翻译The Great Lakes between the US and Canada are the larges