Fe2O, What elements are found in iron
oxide atoms?
A Iron and oxygen
B Iron and sodium
C Iron and hydrogen
D Fluorine and oxygen

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

What type of organic molecule comprises the majority of a potato?

What are the constituent metals of stainless steel?