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Natural disasters such as an earthquake and lake texcoco flooding, then tha spanish came and spread disease.
Answer: To determine its mechanical advantage you'll divide the length of the sloped side by the width of the wedge. For example, if the slope is 3 centimeters and the width is 1.5 centimeters, then the mechanical advantage is 2, or 3 centimeters divided by 1.5 centimeters.
Explanation:
Answer:
Charles Newbold
Explanation:
The 1819 patent was the 19th patent issued for a plow in the United States. The first patent on a cast-iron plow had been issued to Charles Newbold of New Jersey in 1793.
Slavery started in the colonies to aid in the production of such lucrative crops as tobacco.
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