Misc: Which explorer discovered the island of Spitsbergen?

Questions

Lake Baikal is the ---------- lake in the world.?

Lang Martin balanced ---------- golf balls vertically without adhesive at Charlotte, NC on 9 February 1980.?

Laws forbidding the sale of ---------- on Sunday prompted William Garwood to invent the ice cream sundae in Evanston, IL, in 1875.?

Lawsuits filed by California inmates cost the taxpayers more than ---------- in 199?

Lee Harvey Oswald's body tag was auctioned off for---------- .?