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13. What innovation did Jethro Wood add to plows in the 1800s?

O A. Iron on the plow blade made it easier to cut through soil.
B. Plows made from wood were lighter and easier to handle.
O C. Plows that threshed and winnowed grain saved time.
O D. Plows that separated cotton seeds from fibers made cotton harvesting much
easier.

User Befabry
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Answer:

A

Step-by-step explanation:

(March 16, 1774[1] – 1834) was the inventor of a cast-iron moldboard plow with replaceable parts, the first commercially successful iron moldboard plow

User Smartboy
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