Penelope is adding fractions while taking a math test. which part of her brain is at work

Cerebrum it helps you think to solve problems and its also helps you read and write, and, learn.

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you