Author Question: Of the following list, the one that gives the smallest average ionizing radiation dose per person ... (Read 82 times)

cabate · **on:** Jul 29, 2018

Of the following list, the one that gives the smallest average ionizing radiation dose per person per year is

A) nuclear power plants in normal operation.
B) cosmic rays.
C) the rocks and soil of Earth.
D) radon gas.
E) medical X-rays.

Question 2

A book is given a brief shove along a table top and released so that it slides a short distance and comes to rest. Galileo would say that the book stopped because

A) the ether slows it down to a stop.
B) of friction.
C) its natural motion is to come to rest.
D) of its inertia.
E) of gravity.