Is pumice attracted to magnet

Water is split and oxygen is released during which process? In the field demography is the term for the average number of people per given area? How many kilowatt hours are consumed by a 1500 watt heater in one hour? What do the sepals do? Why isn't propyne called 1-propyne? Why energy considered a renewable resource? What happens when water is mixed with petrol and stirred? Why are electric motors more efficient than combustion engines? What are continental mountain ranges associated with? The name of a asteroid and a recent movie? What year was Uranus discovered? Why do the clocks fall back or spring forward at 2AM? What was the Gamewell system? How many miles is Saturn's orbit? What is the correct name for the chemical formula I2? Why is it helpful to have impulses to move only in one direction in a neuron? Are the fireworks in the morning of the Fourth of July? What molecule of oxygen atoms pull on the shared electrons with equal strength in opposite directions and cancel each other out? Which three of the following tasks missions and processes are joint fires? What is global security?