PLEASE PLEASE HELP ME ASAP The graph below is needed to answer the questions :

(the graph is showing the rate of oxygen production a different pH8 levels)

ii) describe the changes in the reaction rate between pH 4 and pH 8

iii) explain the changes in the reaction rate between pH 6 and pH8

the cell cycle is the final answer! : )

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.

well the answer is 2!