I'LL MARK BRALIEST Which of the following enabled farmers to grow more crops? (1 point)
a the building of irrigation systems
b the introduction of bronze tools
c the increase in trade among cities
d the rise of a merchant class

a) the building of irrigation systems

Explanation:

Although b and c would also allow for farmers to grow more crops, I believe that the building of irrigation systems had the most impact. Irrigation systems allowed for farmers to have larger fields without having to spend a large amount of time watering the entire field.

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement