I think its b but not sure
If there is less water in the bottle then the note played is lower, because there is more air to move around. This is one good hypothesis that could lead to a new experiment.
Hope that helps! ★<span> If you have
further questions about this question or need more help, feel free to comment
below or post another question and send the link to me. -UnicornFudge aka Qamar</span>
Answer:
The right answer is Democritus
Explanation:
He experienced bonding with his father which strongly resulted his interest in science and to the study of the atoms ;)
Your welcome
<span>c) two or more waves overlap and combine</span>