Misc: what is basmati?

Questions

In Russia, dogs have been trained to sniff out ore deposits that contain ----------?

The word "struthious" refers to something that resembles or is related to ----------?

The leech will gorge itself up to ---------- its body weight and then just fall off its victim.?

The chameleon has a tongue that is 1.5 times the length of its ----------?

Pigs are exceedingly loud creatures. A University of Illinois study measured average pig squeals that ranged from 100 to 115 decibels. The supersonic Concorde jet, by comparison, was originally banned from New York when its engines exceeded 112 decibels at ----------?