Associated with energy producing technologies can decrease land fertility. a. landfill use b. combustion c. erosion d. all of the above

b. heterotroph

explanation:

make   gliitsh plesea   !

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.