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.
In contrast, mixed farming is growing of both crops and livestock on the same farm. Pastoral farmers are also known as graziers and in some cases pastoralists. Some pastoral farmers grow crops purely as fodder for their livestock; some crop farmers grow fodder and sell it to pastoral farmers.