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.

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12