Why does mercury have different temperatures?

How are objects designed to travel faster than the speed of sound? What is the anaerobic process where cells convert pyruvic acid into carbon dioxide and ethyl alcohol? Is the outer planets hot? How do you use a calorimeter? What is Zooxanthellae is a type of dinoflagellate living inside of? How many cells do flakes of skin have? What city has the measurements of 45 latitude and 118 longitude? What is the making of an eye symbol with three rays descending? If a box is 3cm by 2cm by 10 cm how much mass could it hold before if would sink in water? Where does most of the nitrogen that the bacteria use come from? Will silver attract a magnet? Why does water level in the bell jar falls on burning magnesium? What causes a knot on your tailbone? How are lactic acid fermentation and alcoholic fermentation different? Is an human intestine a living organism? What does water runoff mean? How do comets become electrical? What cell main function is to provide insulation and structure for neurons? What was Alfred Wegener's big landmass called? What element can form an anion that contains 54 electrons 74 neutrons and 53 protons?