Misc: By what name was Lord Greystoke better known?

Questions

A group of geese on the ground is a gaggle, a group of geese in the air is a?

Over _______ left handed people a year are killed from using products made for right handed people?

There are more than _______ bricks in the Empire State Building?

If you counted 24 hours a day, it would take ______ years to reach one trillion?

A crocodile always grows new _____ to replace the old ones?