Because they are talking about best and worst. It’s also talking about the same topic.
The answer is C The phonograph recorded on tinfoil and the gramophone recorded on wax
Teenage pregnancy is when a woman under 20 gets pregnant. It usually refers to teens between the ages of 15-19. But it can include girls as young as 10. It's also called teen pregnancy or adolescent pregnancy.
<em>-</em><em>BRAINLIEST</em><em> answerer</em>