Describe the muscular system's connection to breathing, explaining the roles of these muscles:
Diaphragm
Intercostals
Rectus abdominus

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Tell me the iupac name of the following compounds:

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?