How did the physical environment of river valleys negatively impact ancient civilizations? The land was attractive to outside invaders who wished to conquer the land. Rivers prevented the people from moving because they could not cross them. Occasionally, extreme flooding caused great damage and killed many people. Silt in the rivers made the water dirty and possibly unsafe for people to drink.

Achild’s often are influenced by the belief systems of his or her parents. a. ideologies b. bilingualism c. territoriality d. cultural diffusion

Based upon this data, which statement accurately represents the difference between investments in the two stocks? select the best answer from the choices provided.a.  monopower has less volatility but lower returns than ifruit company.b.  monopower has more volatility but lower returns than ifruit company.c.  monopower has more volatility and more liquidity than ifruit company.d.  monopower has less volatility but more liquidity than ifruit company

The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.