Select all that apply. Which of the following statement(s) correctly answers the question, “Why is it important to conduct scientific tests more than one time?”

A) To ensure that your data is accurate

B) To average your results

C) To develop skills to extend your experiment further

D) To strengthen your conclusion

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?