How cold can australia get at night?

How tall is Detian Falls in meters? The Atacama Desert is on which South American coast? Georgia has a coast on what sea? When did Mount Everest first form? Are rocks living things in the ocean? What is the main method of transportation in stlawrence lowlands? Why are they called the Finger Lakes? Who was supposed to dip 7 times in nile river in the bible? What would appeal to familys going to the lake district? What animals live in tropical monsoon forests? How many people died from Rocky Mountain Spotted Fever? Are there Helicopter tours over grand canyon? Is the Sahara Desert sparsely populated or densely populated? Where are Mediterranean forests found? Where is Agartha located? What types of animals are in an old growth forest? Is the Hoover Dam one of the top 5 largest concrete structure in the world? What is the name of the port city on the Persian gulf containing letters iban? Define shear stress? What is rocky mountain chocolate factory white ribbon made of?