although Leonard da vinci was well know for being an artist how has he contributed to the fields of motion and medicine?​

1

b gas tractor

2

c and negotiated lower prices for farm equipment and supplies

3

d the grange

4

c over 15,000 bankrupt businesses

5

c people became more self-sufficient

i would say it is a and b.

hope this

i think your answer is c.

i think.

sorry if its wrong!

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