useless trivia: What Word Means: A Spire?

Questions

The digestive juices of crocodiles contain so much __________ that they have dissolved iron spearheads and 6-inch steel hooks that the crocodiles have swallowed?

Seals can withstand water pressure of up to _________ pounds per square inch?

Jackrabbits are powerful jumpers. A 20-inch adult can leap ___ feet in a single bound?

Javelinas are very noisy animals among each other and squeal, snort, woof, and click their teeth to?

There are close to ______ known species of frogs, including toads?