Fill in the blanks:
To determine the _______ of waves, you can count each ______ that passes a certain point in a given time.
Choices:
AReflection
BTrough
CCrest
DFrequency
To determine the _______ of waves, you can count each ______ that passes a certain point in a given time.
Choices:
AReflection
BTrough
CCrest
DFrequency