What measures do people take in their everyday lives to maintain some sort of consistency with current “social” standards?

Why might have people followed the rivers to find their way into asia

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought. it rains more in higher altitudes. peru received the highest level of rain. venezuela got less than 25 cm of rain.