Misc: The average human body contains enough phosphorous to make how many match heads?

Questions

A company in Taiwan makes dinnerware out of---------- , so you can eat your plate.?

A company in Taiwan makes dinnerware out of wheat, so you can eat your---------- .?

A full ---------- percent of the entire Irish barley crop goes to the production of Guinness beer.?

A full seven percent of the entire ---------- barley crop goes to the production of Guinness?

A full seven percent of the entire Irish ---------- crop goes to the production of Guinness beer.?