well, its basically something out of the blue, or at an unexpected time it occurs. :D
what does utter
A silo is a storage tower.
IMAO stands for In My Arrogant Opinion.
It mean water evaporate from the heat.
In Irish it's "brí an phláinéid Mars"
Yurok means down river people in karuk.
Not surgically clean-medical or is able to reproduce.
Similar to each other; of the same source.
Any number with more than two factors
I don't think that either of them are valid words. Check the spelling.
The scientific study of animal behavior, especially as it occurs in a natural environment.
Advertisement means to make people aware of a particular product that is being advertised.