I need help with cycles in bio 15 points! Plz don’t troll. Need by 11:59 tonight. 1. Why can I say the same carbon that was present at the beginning of the
Earth's creation is still the carbon used today?
2. What is one example of a molecule containing carbon discussed in the video?
3. How does atmospheric carbon enter into the a plant (hint what is the
process's name?)
4. True or false: Oil is dead organic matter meaning it is full of carbon.
5. What process releases carbon into the atmosphere?
Answer all 5 for Brainliest.

3.Carbon 4.True im sorry dont know the rest

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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