Answer: Tar.
Explanation:
A chemical substance made when tobacco is burned. Tar contains most of the cancer-causing and other harmful chemicals found in tobacco smoke. When tobacco smoke is inhaled, the tar can form a sticky layer on the inside of the lungs.
Answer:
Laptops
Explanation:
They are the most common disk exchanging devices.
I do believe it is Inventory management but I can never tell if it is the right answer. so my regards if it the wrong answer.