Until around 1,500 years ago when agriculture became more sedentary, humans primarily practiced slash-and-burn agriculture Question 3 options: True FalseAccording to the USDA, how much money does an enterprise have to make per year in order to be considered a "farm"? Question 4 options: $1,000 $5,000 $20,000 $50,000Which of the following did not contribute to the emergence of industrialized agriculture? Question 5 options: chemical pesticides and fertilizers irrigation systems crop-livestock integration machinery