Acronym Soup: LTNS?

Questions

How many species of plants that grow in the United States that have been identified as "dangerous" if eaten?

How many times does the average American move in a lifetime?

Astronaut Buzz Aldrinn was the second man to walk on the moon, his mother's maiden name was quirky, what was it?

Early people used flint for 2 reasons, one was to make tools, what was the other?

who was the second wife of King Henry viii?