Answer:
Depending on the stimulus, graded potentials can be depolarizing or hyperpolarizing. Action potentials always lead to depolarization of membrane and reversal of the membrane potential. Amplitude is proportional to the strength of the stimulus. ... Duration of graded potentials may be a few milliseconds to seconds.
Explanation:
All energy Earth receives from the sun is turned into energy for other things like food and nutrients.<span />
Climat effects many things but what do you mean parent material
