You are the lucky student of a wacky professor who develops a time machine. he asks if you will test it with him. you get in and there is an immediate glitch–the date readout fails so that when you land you are not sure what era you are in. as your time machine lands, you see an unusual landscape before you. as you open the door you realize you cannot breathe. you quickly shut the door, realizing you are in the

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

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.  

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b exhibiting favoritism toward the kikuyu people.

explanation:

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