He heard Ca'daan gasp and the Kal whistled.
One of the gasped and one of them whistled.
The Kal gasped as Ca'daan whistled at him.
There is no way to provide a more complete indication of performance.
What is the location of the Scotland Yard fellows?
A naked person is waterskiing for the crowd.
They can use oxygen.
Yes, he did.
Due to a non rational desire to eat, a remnant from ancient times where eating when you could was used for survival.