When something gives you a rush of adrenaline it hypes you up you get super excited, sometimes it triggers your flight or fight instinct if your in a dangerous situation. (Hope this helps)
The second one I think so
Answer:
Plants
Explanation:
For a picture book, it would be fun and easy to show how a plant grows and is used to provide nutrients for us.
Exposition is the answer because they are wrapping the whole story up saying there is no knight like Lochinvar