I would probably choose the Vegatable food group because 1.Its healthy 2. You can grow up strong and 3.You will be more heathier than usual. Mind my grammer mistakes,but I hope this helps!
Answer:
A: Pretty sure it's Red Cross
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.