Answer:
the correct answer would be D
Explanation:
Cardiovascular system - contains all of our muscles necessary , skeletal system- contains the bones to create the shape of the body and respiratory system which allows us to breathe
Bond covalent. monomers are joined together by a dehydration reaction in which two molecules are covalently bonded to each other through the loss of a water molecule
Its important because it help you make sure the experiment is done right, making sure the variables are giving the right results.
Summer is correct. Hope this helps! ;)
