Question

Small rectangular areas of ground are planted with crops in a large body of water.

Answer 1

Answer:

with causeways

Explanation:

Aztec converted lakes into farmland by increasing the level of the land above the water level. They build up the soil until its level increases from the water level. Causeways refers to a raised road or land across low or wet ground. This method was used by Aztec for the farming of crops. They also dug irrigation canals in order to provide water during plantation so we can say that  by increasing the level of land from the water is the method used by the Aztec.

Answer 2

A. with artificial islands