3 of 22 90% For your science fair project, you decide to test the effects of fertilizer on the growth of algae. You collect water from Lake Okeechobee and place different amounts of fertilizer into four different cups. After two weeks, you observe the amount of algae in three cups increased, but the fourth cup had no algae. Your data is shown below: Amount of Water Cup Number Amount of Fertilizer (6) Growth After 2 Weeks (cm) 20 10 15 Cup #1 Cup #2 Cup #3 Cup #4 20 25 22 50 0 You concluded that the fertilizer killed the algae in Cup #4. Looking at your data, your science teacher tells you that your conclusion was not valid. Which of the following would be the best reason why your conclusion was flawed? (8.N.1.1) th A. You did not collect enough algae. B. Your sample size was not large enough. C. You did not use the same amount of water. D. You did not wait long enough for your results. Randy's science teacher is giving der​