The answer is -1. 2 subtraction signs next to each other for an addition sign
A polymer is a really long chain of smaller molecules (monomers). It's similar to a chain of paper clips because all of the little monomers will attach to each other, forming a long strain.
Answer:
Dominant traits are traits that more likely to be transferred from a parent to an offspring so scientist use this term dominant.
There appears to be no table shown, but I can still answer. Aluminum has 3 valence electrons
