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

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.