(Q).
Q: One seismogram indicates the distance to the what? Choices: - researchers - houses - the moon - epicenter A:
(A).
epicenter

(Q).
Q: What affects how high a cake rises when it bakes? Choices: - air currents - air movement - current pressure - air pressure A:
(A).
air pressure

(Q).
Q: Fermat's principle states that what will always take the path that takes the least amount of time? Choices: - sound - wind - electricity - light A:
(A).
light