<span>The major function of bone marrow is to generate blood cells and the red is found in flat bones like the hip.</span>
Answer: Partly it's because teenagers are quite different from their childhood selves. This is because the brain is continuing to mature and also because sex hormones such as testosterone, estradiol and progesterone influence brain function and these are the hormones that rise to adult concentrations at puberty.
Explanation:
Do further research into how the result was obtained and look to see if there was anything remotely different in the trial.