Answer:
<h2><em>An </em><em>element</em><em> </em><em>and</em><em> </em><em>a </em><em>compound</em><em> </em><em>are </em><em>mixtures</em><em>.</em></h2>
Answer:
The pitch of the sound a person makes is determined by several factors, including the size and tension of his or her vocal cords.
Explanation:
What they have in common is that they both have the same number of atoms.
A is the answer im pretty sure
