c. From the perspective of the plants, how did the characteristics of the light (color and intensity) vary with the distance from the light source? Explain your conclusions. (4 points)​

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.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?