Respuesta :

Answer:

1.2 2. Invention: Stethoscope.

1.3 3. Invention: Matches.

1.4 4. Invention: Microphone.

1.5 5. Invention: Typewriter.

1.6 6. Invention: Sewing Machine.

1.7 7. Invention: Mechanical Reaper.

1.8 8. Invention: Corn Planter.