Yes that is correct. All waves have wavelength, frequency, REST POINT, and speed. The FREQUENCY of a wave remains constant if the medium, temperature, and pressure do not change.
Filch, means to steal something
Answer:
positive:
1/ think before you speak
2/ respect the feelings of other
3/ discuss rather than argue
Hey! They can work hard to achieve the goal or do the action. Some people may
in this way if they are under great deals of stress. They may lash out
on people around them. By how they act to a subject.
