B. CO2 levels in the atmosphere could increase and contribute to global warming problems.
The stomach breaks down food , so it has the most acidic substance
Human anatomy deals with the study of the human body, its structures, and how these structures specifically function. Microscopic anatomy on the other hand deals with structures found within the body that cannot be seen by the naked eye but can be viewed with the use of the microscopic. Microscopic anatomy deals with the study of the smallest structures of the cells, tissues, and organs of the body.
It is a that is what I think