He was not all the way up the ladder he was only on the first couple steps
<span>The following acids do NOT ionize completely in solution because they are not strong acids are as follows:
a HBr
b HI
c H2SO3
d H3N
e HNO2
f HF
</span>
I think the Neolithic Revolution is the correct answer
See if it is telling you to add them lol