69.7k views
5 votes
Why did early farmers use slash-and-burn agriculture?

a. to get rid of pests
b. to get rid of old crops
c. to keep the soil fertile
d. to keep undergrowth from drying out the earth

1 Answer

7 votes
C. To keep the soil fertile because the ash from the burning of the crops fertilized the soil. 
User Jack Ukleja
by
8.2k points