Answer:
alternating sugar and phosphate
Explanation:
........
Answer:
The two hydrogen atoms and one oxygen atom within water molecules (H2O) form polar covalent bonds. ... As a result of water's polarity, each water molecule attracts other water molecules because of the opposite charges between them, forming hydrogen bonds
<span>Sponges possess the defense mechanism of releasing toxins that make a predator</span>
The answer would be <span>homeostasis. </span>