The answer is “it is the gap between neurons” and “it ensures that information travels in one direction only.”
High water floods &- volcanic eruptions
They would not have the same shape because they would basically be the same as that particular vitamin. If a vitamin was the same shape as c then it would be vitamin c. Therefore, they would not be the same shape.
No 6 is common for N and H. 3 is only for H(Hydrogen).
For finding the number of hydrogen atoms we should multiply 6 with 3
So, 6*3 = 18. So there will be 18 hydrogen atoms in 6NH₃