A hunter-gatherer society would most likely develop in an area: Оа
Ob
Ос
Od
in an area with many raw materials.
where animals are plentiful.
close to a mountain.
near an ocean.

Where animals are plentiful

Explanation:

Hunter-gatherers are nomadic people who lived by hunting and fishing, and harvesting wild food.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

russia because it is the biggest state