Usually 6 feet under.
The majority.
A Nation under Our Feet has 624 pages.
I'm pretty sure the titanic didn't have feet
In the US, one mile is equal to 5,280 feet.
I would guess under ten. Wikipedia lists several people who were 8 feet tall or over, only 3 of which are living. I doubt there are many more than that off the record.
In 1700, Colonial America had a population of just under 251,000 people. After a span of ten years, it rose to around 350,000.
2 feet.
261,081,216,000,000 square feet. North America has 9,365,000 million square miles. 1 square mile equals 27,878,400 square feet.
About an inch under 210 feet.
Its maximum depth is 590 feet.
2 feet