All neurons can produce chemical impulses and have within them an axon hillock that decides if the impulse will be produced or not. Learn how this dynamic processing center uses incoming signals from other neurons to make its decision.
The land form that would be best for farming would depend on what you're farming. The best type of land for farming crops would be flatland - or plains. In the south the area used for farming is the Piedmont area, the area between the hills and the coastal plains. The land form that would be best for farming would depend on what you're farming.
Mesic prairie has good drainage, but good soil during the growing season. This type of prairie is the most often converted for agricultural usage, consequently it is one of the more endangered types of prairies. Dry. Dry prairie has somewhat wet to very dry soil during the growing season because of good drainage in the soil.