Which detail in “The Oasis: Africa” DOES NOT support the idea that the Sahara Desert is perilous? Question 4 options:

"Canopus, the great star of prehistoric Egypt, blazed white above the horizon; Sirius shone like a peerless diamond, and Aldebaran like a ruby."

"One day the dreaded sirocco had swept upon us."

"This danger past, we had lost another day making a wide detour to the east in order to avoid the fierce, tameless Tuaregs, who were marauding in the district."

"Misery of hunger, torture of thirst; unending discomfort of swarming lice."