This nation is a communist dictatorship.
brazil
costa rica
cuba
puerto rico

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

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.

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?