Question

which two inventors changed agriculture in the 1800s?
○ john mason and james naismith
○ john deere and cyrus mccormick
○ joseph glidden and elias howe
○ elijah mccoy and eli janney

Explanation:

To determine the inventors who changed agriculture in the 1800s, we analyze each option:

• Option A: John Mason (basketball - unrelated to agriculture) and James Naismith (basketball - unrelated to agriculture) → Eliminate.
• Option B: John Deere (invented the steel - plow, transforming farming) and Cyrus McCormick (invented the mechanical reaper, revolutionizing grain harvesting) → Both related to agriculture.
• Option C: Joseph Glidden (barbed wire - related to fencing, not core agriculture) and Elias Howe (sewing machine - unrelated to agriculture) → Eliminate.
• Option D: Elijah McCoy (lubrication systems - industrial) and Eli Janney (coupler for railroads - transportation) → Eliminate.

Answer:

B. John Deere and Cyrus McCormick