What is referred to by 'a strange goatee'?

Based on the clue 'a straight angle has this many degrees', what is the answer? Based on the clue 'a straight line that touches the outside of a circ...', what is the answer? What is associated with: a strain of this virus named for a river in the democratic republic of the congo killed over 2… Based on the clue 'a strand of thread for knitting or a long tale of ...', what is the answer? Based on the clue 'a stratagem or trick when used as a verb with away...', what is the answer? Based on the clue 'a strategy for concealing an unethical act the wat...', what is the answer? Based on the clue 'a stray bullet ends the life of eponine in this ep...', what is the answer? Based on the clue 'a stream of electrons from a negatively charged el...', what is the answer?