30 g of lead oxide and 15 g of ammonium react completely to produce solid lead nitrogen gas and liquid water what will be approximate mass of all three products. 10g 15g 45g 450g

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

What must happen before a body cell can begin mitotic cell division

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents