Answer is A
Firstly axon must reach the threshold level and then depolarisation occurs. Depolarisation phrase means sodium enters and potassium leaves the axon . Choice C can't be because main idea is the entering of sodium ions.
Answer:
true
Explanation:
theres a bunch of different categories depending on the subject
Answer:
the answer is dna replication
The correct answer is D. Stream erosions need water after all.
