*Q:* Can Amtrak's Acela Express break the sound barrier?
*A:* My reasoning: Amtrak's Acela Express is the fastest train in the Western Hemisphere and can reach 150 mph. A US Navy plane would need to travel 770 mph to break the sound barrier.
The answer: no.


*Q:* Would a clouded leopard encounter an awake pangolin?
*A:* My reasoning: Pangolins and clouded leopards have an overlap of ranges. Pangolins are nocturnal. Clouded leopards are nocturnal.
The answer: yes.


*Q:* Does American Independence Day occur during autumn?
*A:*
My reasoning: Autumn runs from about September 20 to about December 20. American Independence Day is July 4, over two months before autumn begins.
The answer: no.