This means that the speed of the wave is the wavelength divided by the period, or . But the frequency is just the reciprocal of the period, so . Clearly, if v increases and the frequency stays the same, the wavelength must increase by an equivalent factor.
hope this helps :)
A:ture
they didn't have the technology like er do or the medicine like we do today
Answer:
A.
Explanation:
Emotional health : expressing feelings