Misc: This island group is off the east coast of southern South America?

Questions

What tennis ball company's logo is 'you've seen one you've seen them all'?

What tennis star founded the magazine women's sports?

What term comes from the catholic church practice of appointing someone to give opposing views on a nominee for sainthood?

What term is applied to ethyl alcohol that has been treated with poison to make it unfit for human consumption?

What term is derived from the practise of clans of long ago wanting to get rid of their unwanted people without killing them so burned their houses down instead?