Question

term
who invented the reaper?
choose an answer
1 justus von liebig
2 cyrus mccormick
3 rachel carson
4 eli whitney

Explanation:

The reaper (mechanical reaper for harvesting crops) was invented by Cyrus McCormick. Justus Von Liebig was a chemist, Rachel Carson was an environmentalist, and Eli Whitney invented the cotton gin.

Answer:

1. Cyrus McCormick