Author Question: Which of the following statements describes what happens when a given mass of a liquid starts to ... (Read 76 times)

skymedlock · **on:** Aug 27, 2018

Which of the following statements describes what happens when a given mass of a liquid starts to expand?

A) Its density decreases.
B) Its density increases.
C) Its density does not change.
D) Its mass increases.
E) Its volume decreases.

Question 2

The great philosopher and mathematician Bertrand Russell (1872-1970 ) wrote, I think we must retain the belief that scientific knowledge is one of the glories of man. I will not maintain that knowledge can never do harm.

I think such general propositions can almost always be refuted by well-chosen examples. What I will maintain and maintain vigorously is that knowledge is very much more often useful than harmful and that fear of knowledge is very much more often harmful than useful. Which of the following supports this statement? A) knowledge of electricity
B) knowledge of nuclear power
C) knowledge of the atom
D) knowledge of dynamite
E) all of the above