Which statement provides accurate evidence for how humans are affecting the carbon cycle? a. "This increased amount of carbon dioxide and other greenhouse gases are changing our planet's

climate patterns."

b. "Environmental policies protecting endangered species are being legislated"

c. "forest are becoming more common because of increased global temperatures"

d. "When we as humans burn fossil fuels, we are disrupting the natural cycling of carbón

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

read more on -

the answer is d. exposing corruption in the church