Answer:
C, a long absolute refractory period.
Explanation:
Tetanus is not possible in cardiac muscle tissue because cardiac cells have longer action potentials and a very long refractory period compared to other cells. This helps prevent the heart from cramping and seizing up.
So it could fit perfectly.
Coal is the most abundant global nonrenewable resource
carbon cycle
Explanation:
It is because it moves carbon,a life sustaining element from the atmosphere and oceans into the organisms
