In which era was there animal life found only in the ocean but plants were growing on land? A. Precambrian era
B. Paleozoic era
C. Cenozoic era
D. Mesozoic era​

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

Of the cold they can survive in the cold