Answer:
Experiments can show cause-effect relationships
Explanation:
Beginning signs would be memory loss, inability to do challenges, difficulty completing tasks, confusion with time, misplacing things, poor judgment, etc
Its important to know how to find and check your pulse rate because if you want to excercise and make sure it gets your heart pumping, you need to know how to check your pulse rate before and after to make sure theres quite a difference.
Is this a mutiple choice?