Answer:
Scientists have often wondered what bellybutton lint is made up of. An Austrain chemist named Georg Steinhauser decided to find out, and since he had a belly button, he searched himself! He examined over 500 pieces to see what the lint has occupied. He found that it has cotton from clothes, AND dead skin, sweat, basically the stuff our body resists and extracts. Goerg Steinhauser found all this out within a teeny tiny part of your stomach.
Explanation:
It is exclamation point because for example, the person who is staying this sentence probably was astonished, or find it interesting so he/she said this sentence.
The sentence is basically saying there is a solution to everything if you know how to correctly face it so it would be D
