How would increasing the strength of the field of a magnet change the pattern of magnetic field lines between its poles?

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.

Which statement best describes the he properties of iconic compounds ?

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?