UnScramble this Word: t e r e c x e?

Questions

To pass U.S. Army basic training, young female recruits must do 17 pushups in two minutes. Males must do ------------ pushups in two minutes.?

Roughly ----------- percent of the population of the under-developed world is under 15 years old.?

Two objects have struck the earth with enough force to destroy a whole city. Each object, one in 1908 and again in 1947, struck regions of ---------. Not one human being was hurt either time.?

Roughly a quarter of the world's people live in ?

Scientists at Oxford University's Imperial Cancer Research Fund found that people who eat ------------ daily had 24 percent fewer heart attacks and 32 percent fewer strokes.?