2. Circle the letter of each sentence that is true about water's structure. A water is made up of atoms bonded to form molecules
B. water contains halt as many hydrogen atoms as oxygen atoms
Ć water molecules tend to push away from each other
D. the chemical formula for water is H. O

a

Explanation:

because water is 2 hydrofen atoms bonded with an oxygen atom

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

true                                                                                                       true true true true true true