Question

slash-and-burn agriculture is best defined as the process of cutting plants and setting fires to fertilize farmland for crops. cutting steps into a hillside to make a flat surface for crops. using ash from fires to make farmland fertile for decades. cleaning forests to make farmland fertile for generations.

Explanation:

Slash - and - burn agriculture involves cutting down plants (slash) and then burning them (burn). The ash from the burned plants acts as a fertilizer for the farmland in the short - term for crop cultivation. Option 2 describes terracing (cutting steps on a hillside). Option 3 is incorrect as the fertility from slash - and - burn is not long - term (not for decades). Option 4 is also incorrect as the fertility is not for generations.

Answer:

cutting plants and setting fires to fertilize farmland for crops.