What's the Kennection? #104

The triple point of what substance is used to define the Celsius temperature scale?

What biggest box office hit of 1990 almost starred Paul Hogan, as Patrick Swayze only took the lead after Hogan turned it down?

Wimbledon is now the only Grand Slam tennis tournament played on what surface?

What mythical creature appears on the flag of Wales?

What does the letter 'E' stand for in cars like the Chevy Spark EV, the Honda Fit EV, and the Kia Soul EV?

What's the "Kennection"?