Answer:
Where is the ocean deepest?
This patch of land stands alone
Can be achieved in a car or as a position during conflict
What is not a ball but yet a sphere, and holds all lands and people year after year?
Whipping one of these out in the wrong setting is said to be terrible luck.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?