Misc: Who gave excalibur to king arthur?

Questions

The Top 10, Deadly snakes you might want to stay away from?

The Top 10, Types of Sharks that have killed (chomp chomp!!) the most humans?

The Top 10, Countries where the most divers are attacked by sharks (chomp chomp!!)?

At a length of 150cm (59 inches), this bird is the Largest Bird of Prey?

The _____ _____, which can grow as long as 4.3m (14ft), is one of the deadliest snakes. In the absence of treatment, its bite has a fatality rate of nearly 100 percent.?