Like subsistence farmers, pastoral nomadic groups depend on

a. seasonal variations of precipitation
b. government subsidies for their products
c. enforcement of strict land boundaries
d. annual grain production

A) Correct
b) Incorrect
c) Incorrect
d) Correct, but not the best answer

a. seasonal variations of precipitation

Explanation:

As the Pastoralism is a nomadic activity and is most concerned with the grassland and is thus a nomadic activity were the people move with their herds and have different levels of the mobility depending on there climates. And is becoming more common with the adaptability to the environments and the livestock is also impacted by the same.

Answer (a) the itcz comes overhead for part of the year; i believe this is correct,plz check first; ///

Answer were lower;