Mrs. allen is pregnant. her baby's legs and arms have started to grow, and its intestinal system is beginning to develop. the baby is in the stage of prenatal development.

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

Synapse nervous system they process and transmit signals. in a neuron

That is false even though water expands when frozen nothing changes at all