A countder
A person who breaks down pallets is typically called a pallet dismantler or pallet breaker. Their job involves disassembling pallets to salvage the wood or other materials for recycling or reuse.
A cosmologist
Astronomer
A genius.
A person who studies the earth is called a geologist.
That person is called a "launch conductor" or "countdown coordinator." Their role is to oversee the countdown process and give the final authorization for the rocket to launch.
Some examples are: money counter, cashier, and accountant.
You call a boy who counts on his fingers prepared; he keeps his math tools handy.
a homosexual
Your question is a bit difficult to understand. Perhaps you mean to ask: Question: What do you call someone who studies the statistics related to human populations? Answer: A demographer. http://en.wikipedia.org/wiki/Demographics
cencius cencius
Only if all counts are tried simultaneously.
XBOX 360: to go to the person with the ball hold down A then to call other players to help hold down B. PS3: to go to the person with the ball hold down X then to call other players to help hold down O (circle).
lumber-jack
Call 911 - 2008 When Every Moment Counts 2-9 was released on: USA: 10 July 2009
The game clock counts down the time of the entirety of the game. The play clock counts down to the point requiring a play to begin.
calm the person down or call the anbulance in case there not controlled