    Senténce. I: What is:the Sahara, and: how  jo: -the':..average’ temperatures” there  Ompare’to..thé ones in, the:Gréat Sandy  Desert? ae :               ntence 2: What is the-Sahara, and how’   lo. _the.--average.: témperatures ~ there,  ommparé: to .thé: ones. in- the Arabian  Desert?” -    