1. Which U.S. President was shot and killed in 1963 by Lee Harvey Oswald?   John F. Kennedy   William McKinley   Abraham Lincoln   James A. Garfield   Hint Half-n-half Clue   2. If the radius of a circle is r, its area is _______   ½ π r2   2 π r   2 π r2   π r2   Half-n-half Clue   3. Which is an infectious disease of dogs caused by a virus, spread by the bite of the infected animal and may result in death of the infected animal or person?   rabies   radicle   racoon   ratchet   Half-n-half Clue   4. What are the imaginary vertical lines seen on a map perpendicular to the equator?   tropics   laterals   verticals   longitudes   Half-n-half Clue   5. In the Bible, Moses received _______ Commandments from God.   Two   Ten   Twelve   Three   Half-n-half Clue   6. If a is the length of the side of a square, its perimeter is _______   2 a   4 a   6 a2   a2   Half-n-half Clue   7. _______ is a harmless substance with virtually no effect that is given to patients to psychologically reassure them.   Plaque   Plague   Placebo   Placenta   Half-n-half Clue