Most nomadic movement takes place according to travel patterns that are a) repeated time and time again. b) very irregular. c) limited to desert regions . d) periodic in nature.

repeated time and time again.

Explanation:

Nomadic movement simply means the movement of a person form one particular place to another without the person settling at a particular place. Such movement are done to make a living or to feed their livestocks.

It should be noted that nomads usually Most follow a fixed pattern as their travel patters are highly repeated. Therefore, the correct option is A.

sediment layers stop spreading when they reach a barrier or they run out of sedimentary material. lateral spreading is the movement of gently to steeply sloping, saturated soil deposits caused by earthquake-induced liquefaction. i hope this . : )