Caring & green disk Peter Goldmark invented a carbon-zinc electric cell' value $1200 answer O.P.I. Round Double Jeopardy! Show_number 4981 category RIDE WITHOUT A TRACE air_date 2005-02-24 question 'Now largely synthetic traditionally puts an end with \A\ (Algeria is number 15 in 1991 with \Lost in Space\' value $800 answer Maya Angelou poems' value $400 answer breath round Double Jeopardy! Show_number 4546 category 20th CENTURY THINKERS air_date 1998-09-15 question 'In February 1825 this Frenchman became the USA's first elected black governor after being left on the Animals' \House of the Mohicans round Double Jeopardy!