They are becoming more strong and dangerous.
Petrochemicals include many things, I would say All of the above. Hope this helped! :)
Marine core is what i would go for
Answer:
cell
Explanation:
A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes. Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
