The Corps of Discovery survived their trek across the Rocky Mountains because: A. Their navigation skills were strong
B. They stored extra food supplies
C. The Nez Perce saved them
D. The winter ended just in time

Calculate the iq of a 20 year old who has the mental age of 25

1. describe the concept of the unitary executive. discuss whether this concept is practical.

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.