In which kind of community do people mostly grow food for urban and suburban communities?
a. nomadic
b. manufacturing
c. agricultural
d. industrial

c. agricultural

Explanation:

An agricultural community is a community of farmers which are capable of growing crops by utilizing conventional and modern agricultural techniques. The agricultural techniques involves the plowing of the agricultural land, sowing the seeds, irrigation to the soil and harvesting crops.

The agriculture practice is necessary to meet the demand of food for the large growing populations of urban and suburban communities.  

i would think it's food chain

more than, less

less than, more