Which Greek mathematician found a use for the principle of buoyancy to estimate the density of an irregular solid? We credit this person with many discoveries in mathematics.
A. Herophilos
B. Pythagoras
C. Euclid
D. Archimedes

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

Who is on the house judiciary committee 2019

What are the most populous and least areas of russia and why are some areas more heavily populated than others