Respuesta :
A quantity that may vary with time and other factors is called variables. In researches and experiments, variables can be changed and manipulated depending on many circumstances.
In the above stated experiment Jamal demonstrates:
Option C. Repetition
This can be explained as:
- When the same event or procedure is repeated again and again is called repetition.
- In researches and experiments, repetition is done to minimize the effects of errors.
- Repetition shows that the experiment produces same results to show the efficiency of researches.
Therefore, Jamal depicts repetitions.
To learn more about repetition follow the link:
https://brainly.com/question/596301