ANSWER:
The environmental factors that affect determination of regions of crop production are terrain, soil, water and climate.
Step-by-step explanation:
Crops need proper water and climate so that they can grow in the required manner. They also need fertile soil for their growth. The terrain of the land determines the types of crops that can be grown in a region.
For instance, in plains, the soil is fertile and water is easily available for crops. In addition, the climatic conditions of plains allow the growth of crops like rice.