Question

question 7 (1 point) why would you repeat an experiment over and over again?
a to test a new variable
b because scientists are supposed to do experiments
c because it is recommended but not necessary
d to test your results and conclude that you will get the same results every time

Explanation:

Repeating an experiment validates results. Option a is for changing variables, b is not a valid reason, c says it's not necessary (wrong). Option d explains repeating to confirm consistent results.

Answer:

d. to test your results and conclude that you will get the same results every time