Answer:
What is something that can go up quite easily, but is not as easy to bring back down?
A prehistoric reptile that lives today and the inspiration for the name of a popular sports drink.
What can you easily break but never touch?
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesnβt bounce off anything?
What is often returned, but never borrowed?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?