Why is antibiotic resistance among the salmonellas on the rise?

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.