Classify each orbital diagram for ground-state electron configurations by the rule or principle it violates.

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.

Can someone me with questions 12 and 13 plz.

The biosphere of the earth is made up of what compound? organic or inorganic?