2 poin LS1.AHS4. Which two organ systems provide materials required for the
human body to produce ATP?*
Reproductive and excretory
Digestive and respiratory
Respiratory and immune
Digestive and reproductive

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