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A device to reduce the shock or pain of bad news is called a(n) _______.

The Black Death led to 

Which of the following is a Hebrew religious value?

What became clear after the last great wave of persecution of Christians ended under Diocletian in the early 4th century?  

If the characteristic roots of a linear, constant-coefficient, homogeneous, second-order equation are complex numbers a+ib and a-ib  with a and b nonzero, then the general solution of the equation is

Which of the following challenged the Christian belief in the Trinity?

An overdamped harmonic oscillator, may or may not cross its equilibrium position. If it crosses its equilibrium, it can do so at most once.

The Hyksos invasion of Egypt took place during which period?  

The oscillations of a damped free harmonic oscillator go to zero as time goes to infinity.

What percentage of an adult’s body weight consists of water?