1. Place where the hottest temperature was recorded   Dallol   Al Aziziyah   Death Valley, California   Sahara Desert   Marble Bar   Hint Half-n-half Clue   2. Largest lake   Lake Superior   Caspian Sea   Lake Victoria   Lake Huron   Aral Sea   Half-n-half Clue   3. Planet closest to Earth   Sun   Moon   Venus   Mercury   Mars   Half-n-half Clue   4. Brightest planet as viewed from the Earth   Mars   Mercury   Jupiter   Venus   Moon   Half-n-half Clue   5. Highest waterfall   Niagara Falls   Yosemite Falls   Tugela Falls   Khône Falls   Angel Falls   Half-n-half Clue   6. River with the greatest water flow   Zambezi   Amazon   Mississippi-Missouri   Hwang Ho   Nile   Half-n-half Clue   7. Heaviest satellite (natural) of our solar system   Phobos   Moon   Sinope   Deimos   Ganymede   Half-n-half Clue