[Q]: [Iebetweentwoblackkeyscanbefoundstemtone"D".]
[A]: [Ie between two black keys can be found stem tone "D".]
[Q]: [Inputsofsixhazardoussubstancesintothenorth-eastAtlanticfellbetween1990and1998]
[A]: [Inputs of six hazardous substances into the north-east Atlantic fell between 1990 and 1998]
[Q]: [Aul.gl:Temperaturesinthetowns]
[A]:
[Aul.gl: Temperatures in the towns]