You preform an experiment in which you take 1 Sarah Warren Exam 1

Question 3 / 42: you preform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gm of ammonium nitrate per liter of water and the other half just water. each group is then split in half again, and exposed to either eight or 16 hours of light each day. You monitor the height of the plants for four weeks. You observe that increasing ammonium nitrate and light both increases plant height. Which of the following are independent variables in this experiment?

A the amount of ammonium nitrarte

B the amount of ammonium nitrate and light

C the amount of light

D the height of the plants and the amount of light

E the height of the plants

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