Respuesta :

nuvalle

Answer:

  1. Iv is effect of fertilizer on grass dv is the growth of grass
  2. IV is if salinity has an effect on the goldfish DV is the effect on the goldfish
  3. IV is the effect on studying 10 extra minutes the DV is the effect it has on the rade
  4. Iv is the effect on the apples the DV is the size of the apples
  5. IV if it decreases the time it takes him to run the DV is the increase and decrease of kl  

Explanation:

maybe you will understand it know if you need the rest of the answers just comment on my answer okay

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