Name The Year: Nevado del Ruiz volcano erupts in Colombia, kills 25,000.?

Questions

85% of the population can curl their ---------- into a tube?

a ---------- acquires fingerprints at the age of three months?

a fetus acquires fingerprints at the age of ---------- months?

a jogger's heel strikes the ground ---------- times per mile?

a lifetime supply of all the vitamins you need weighs only about ---------- ounces?