It becomes an addiction when someone is unable to function without the drug. This is called withdraw and comes with side effects like: sweating, lack of sleep, lack of hunger, chills, etc.
It’s snail in a Greek word
There is an abundance of sunlight to foster the plants growth.
The sub-littoral zone is located close to the water's surface. Because of this, there is enough sunlight to feed plants, allowing them to grow in abundance.
https://www.litcharts.com/lit/the-things-they-carried/themes/shame-and-guilt
